APA استشهاد

Webster, G., & Oliver, J. (1970). Manager's Environment: An Economic Approach. Pan Books.

استشهاد بنمط شيكاغو

Webster, G.H, و J.M Oliver. Manager's Environment: An Economic Approach. london: Pan Books, 1970.

MLA استشهاد

Webster, G.H, و J.M Oliver. Manager's Environment: An Economic Approach. Pan Books, 1970.