APA استشهاد

Halbert, M. (1965). Meaning and sources of marketing theory. McGraw Hill.

استشهاد بنمط شيكاغو

Halbert, Michael. Meaning and Sources of Marketing Theory. New York: McGraw Hill, 1965.

MLA استشهاد

Halbert, Michael. Meaning and Sources of Marketing Theory. McGraw Hill, 1965.