APA (7 ম সংস্করণ) উদ্ধৃতি

(2012). THE PEOPLE WHO CHANGED THE WORLD KARL MARX: MOST INFLUENTIAL PHILOSOPHER OF THE MODERN WORLD (1st.). VIJAY GOEL.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

THE PEOPLE WHO CHANGED THE WORLD KARL MARX: MOST INFLUENTIAL PHILOSOPHER OF THE MODERN WORLD. 1st. NEW DELHI: VIJAY GOEL, 2012.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

THE PEOPLE WHO CHANGED THE WORLD KARL MARX: MOST INFLUENTIAL PHILOSOPHER OF THE MODERN WORLD. 1st. VIJAY GOEL, 2012.