APA (7 ম সংস্করণ) উদ্ধৃতি

Behrens, W. W., & Hawranek, P. M. (1991). Manual for the preparation of industrial feasibility studies. United Nations Industrial Development Organization.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Behrens, William W., এবং P. M. Hawranek. Manual for the Preparation of Industrial Feasibility Studies. Viena: United Nations Industrial Development Organization, 1991.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Behrens, William W., এবং P. M. Hawranek. Manual for the Preparation of Industrial Feasibility Studies. United Nations Industrial Development Organization, 1991.