International Network of Feed Information Centers & Harris, L. E. (1980). International feed databank system: An introduction into the system with instructions for describing feeds and recording data. International Network of Feed Information Centres.
Cytowanie według stylu Chicago (wyd. 17)International Network of Feed Information Centers i Lorin E. Harris. International Feed Databank System: An Introduction into the System with Instructions for Describing Feeds and Recording Data. Logan, Utah: International Network of Feed Information Centres, 1980.
Cytowanie według stylu MLA (wyd. 9)International Network of Feed Information Centers i Lorin E. Harris. International Feed Databank System: An Introduction into the System with Instructions for Describing Feeds and Recording Data. International Network of Feed Information Centres, 1980.