APA استشهاد

Shipman, M. D. (1972). The limitations of social research (3rd.). Longman.

استشهاد بنمط شيكاغو

Shipman, M. D. The Limitations of Social Research. 3rd. [London]: Longman, 1972.

MLA استشهاد

Shipman, M. D. The Limitations of Social Research. 3rd. Longman, 1972.