APA

Mansfield E., . (1977). Principles of microeconomics. New York: W.W. Norton.

Chicago

Mansfield Edwin, . 1977. Principles of microeconomics. New York: W.W. Norton.

Harvard

Mansfield E., . (1977). Principles of microeconomics. New York: W.W. Norton.

MLA

Mansfield Edwin, . Principles of microeconomics. New York: W.W. Norton. 1977.