Gill, K., & Kruzas, A. T. (1982). International research centers directory: A world guide to government, university, independent nonprofit and commercial research and development centers, institutes, laboratories, bureaus, test facilities, experiment stations and data collections and analysis centers, as well as foundations, councils and other organizations which support research. Gale.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Gill, Kay, ба Anthony Thomas Kruzas. International Research Centers Directory: A World Guide to Government, University, Independent Nonprofit and Commercial Research and Development Centers, Institutes, Laboratories, Bureaus, Test Facilities, Experiment Stations and Data Collections and Analysis Centers, as Well as Foundations, Councils and Other Organizations Which Support Research. Detroit: Gale, 1982.
MLA -ийн эшлэл (9 дэх хэвлэлт)Gill, Kay, ба Anthony Thomas Kruzas. International Research Centers Directory: A World Guide to Government, University, Independent Nonprofit and Commercial Research and Development Centers, Institutes, Laboratories, Bureaus, Test Facilities, Experiment Stations and Data Collections and Analysis Centers, as Well as Foundations, Councils and Other Organizations Which Support Research. Gale, 1982.