APA استشهاد

Pickes, W. (1986). Accountancy questions and key (4.). Pitman Publishing Ltd.

استشهاد بنمط شيكاغو

Pickes, William. Accountancy Questions and Key. 4. London: Pitman Publishing Ltd, 1986.

MLA استشهاد

Pickes, William. Accountancy Questions and Key. 4. Pitman Publishing Ltd, 1986.