APA استشهاد

Horwitz, R. (1973). Realities of profitability. pan books.

استشهاد بنمط شيكاغو

Horwitz, Ralph. Realities of Profitability. London: pan books, 1973.

MLA استشهاد

Horwitz, Ralph. Realities of Profitability. pan books, 1973.