APA (7 ম সংস্করণ) উদ্ধৃতি

Proctor, W. M. (1933). Vocations: The world's work and its workers (Rev. and enl. ed.). Houghton Mifflin Company.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Proctor, William Martin. Vocations: The World's Work and Its Workers. Rev. and enl. ed. Boston : New York [etc.]: Houghton Mifflin Company, 1933.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Proctor, William Martin. Vocations: The World's Work and Its Workers. Rev. and enl. ed. Houghton Mifflin Company, 1933.