Gaya APA

Sampson, W, P, M, D, T, K, &, R, J. (1967). Under Standing Our Economy (Analysis, Issues, Principles) . Boston-New York: Houghton Mifflin Company.

Gaya MLA

Sampson, William, P., Mortenson,, Dobald, T., Krider, &, Roy, J.. "Under Standing Our Economy (Analysis, Issues, Principles)". Boston-New York: Houghton Mifflin Company, 1967. Text.