APA (7 ম সংস্করণ) উদ্ধৃতি

WILLIAMSON, H. F. (1970). Economic Development Principles And Patterns Harold F Williamson And John A. Buttrics. Prentice-Hall.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

WILLIAMSON, Harold F. Economic Development Principles And Patterns Harold F Williamson And John A. Buttrics. Prentice-Hall, 1970.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

WILLIAMSON, Harold F. Economic Development Principles And Patterns Harold F Williamson And John A. Buttrics. Prentice-Hall, 1970.