APA استشهاد

Foskett, A. C. (1969). Subject approach to information. London.

استشهاد بنمط شيكاغو

Foskett, A. C. Subject Approach to Information. Clive Bingley: London, 1969.

MLA استشهاد

Foskett, A. C. Subject Approach to Information. London, 1969.