APA (7 ম সংস্করণ) উদ্ধৃতি

Erkelens, . P. A. (1980). Foundations for low cost structures in poor soil conditions. University of Nairobi.Housing Research and Development Unit.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Erkelens, Peter A. Foundations for Low Cost Structures in Poor Soil Conditions. Nairobi: University of Nairobi.Housing Research and Development Unit, 1980.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Erkelens, Peter A. Foundations for Low Cost Structures in Poor Soil Conditions. University of Nairobi.Housing Research and Development Unit, 1980.