APA

Lipsey R. G., . (1990). Microeconomics. New York: Harper and Row Publishers.

Chicago

Lipsey Richard G, . 1990. Microeconomics. New York: Harper and Row Publishers.

Harvard

Lipsey R. G., . (1990). Microeconomics. New York: Harper and Row Publishers.

MLA

Lipsey Richard G, . Microeconomics. New York: Harper and Row Publishers. 1990.