APA
Sloane P., Slatt L. & Baker R. (1988). Essentials of family medicine. New york: Williams & Wilkins.
Chicago
Sloane P.D, Slatt L.M and Baker R.M. 1988. Essentials of family medicine. New york: Williams & Wilkins.
Harvard
Sloane P., Slatt L. and Baker R. (1988). Essentials of family medicine. New york: Williams & Wilkins.
MLA
Sloane P.D, Slatt L.M and Baker R.M. Essentials of family medicine. New york: Williams & Wilkins. 1988.
