APA استشهاد

Van Kamman, O. B. (1995). Data collection and management (1.). Sage Publications.

استشهاد بنمط شيكاغو

Van Kamman, OvelmOet Bok. Data Collection and Management. 1. New Delhi: Sage Publications, 1995.

MLA استشهاد

Van Kamman, OvelmOet Bok. Data Collection and Management. 1. Sage Publications, 1995.