Gaya APA

Lionel, R. (1962). AN ESSAY ON THE NATURE AND SIGNIFICANCE OF ECONOMIC SCIENCE (Second Edition). New York: MACMILLAN, New York.

Gaya MLA

Lionel, Robbins. "AN ESSAY ON THE NATURE AND SIGNIFICANCE OF ECONOMIC SCIENCE". Second Edition New York: MACMILLAN, New York, 1962. Textbook.