APA استشهاد

Jennings, L. M. (1978). Secretarial and administrative procedures. Prentice Hall.

استشهاد بنمط شيكاغو

Jennings, Lucy Mae. Secretarial and Administrative Procedures. New Jersy: Prentice Hall, 1978.

MLA استشهاد

Jennings, Lucy Mae. Secretarial and Administrative Procedures. Prentice Hall, 1978.