APA (7 ম সংস্করণ) উদ্ধৃতি

Laudan, L. (1977). Progress and its problems: Towards a theory of scientific growth. Routledge and Kegan Paul.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Laudan, Larry. Progress and Its Problems: Towards a Theory of Scientific Growth. Routledge and Kegan Paul, 1977.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

Laudan, Larry. Progress and Its Problems: Towards a Theory of Scientific Growth. Routledge and Kegan Paul, 1977.