APA (7. basım) Alıntı

Covington, G. A. (1997). Access By Design George A. Covington, Bruce Hannah. Van Nostrand Reinhold.

Chicago Style (17. basım) Atıf

Covington, George A. Access By Design George A. Covington, Bruce Hannah. Van Nostrand Reinhold, 1997.

MLA (8th ed.) Atıf

Covington, George A. Access By Design George A. Covington, Bruce Hannah. Van Nostrand Reinhold, 1997.