APA استشهاد

Learned, E. P. a. (1963). European problems in general management. Richard D Irvin.

استشهاد بنمط شيكاغو

Learned, Edmund P....[et al]. European Problems in General Management. Homewood: Richard D Irvin, 1963.

MLA استشهاد

Learned, Edmund P....[et al]. European Problems in General Management. Richard D Irvin, 1963.