APA استشهاد

Hanson, A. H. (1960). Economic issues of 1960s. Mc graw hill book company inc.

استشهاد بنمط شيكاغو

Hanson, Alvin H. Economic Issues of 1960s. New York: Mc graw hill book company inc, 1960.

MLA استشهاد

Hanson, Alvin H. Economic Issues of 1960s. Mc graw hill book company inc, 1960.