APA استشهاد

Sawdy, L. (1972). Economics of distribution: Manager's guide to trade off and cost control in physical distribution. Gower press.

استشهاد بنمط شيكاغو

Sawdy, L.W.C. Economics of Distribution: Manager's Guide to Trade off and Cost Control in Physical Distribution. London: Gower press, 1972.

MLA استشهاد

Sawdy, L.W.C. Economics of Distribution: Manager's Guide to Trade off and Cost Control in Physical Distribution. Gower press, 1972.