APA aipamena

Sen, S. (1972). An Introduction to Economic Theory (26th.). Bookland Pvt. Ltd.

Chicago Style aipamena

Sen, S. An Introduction to Economic Theory. 26th. NULL: Bookland Pvt. Ltd, 1972.

MLA aipamena

Sen, S. An Introduction to Economic Theory. 26th. Bookland Pvt. Ltd, 1972.