Gaya APA

Wilkins, E, M., McCullough, P, A. (1968). Clinical Practice on the Dental Hygienist (Ed 2). USA: Lea & Febiger.

Gaya MLA

Wilkins, Esther, M.., McCullough, Patricia, A.. "Clinical Practice on the Dental Hygienist". Ed 2 USA: Lea & Febiger, 1968. Text.