Não informado. (1970). American Family Physician/GP. American Academy of General Practice.
Style de citation Chicago (17e éd.)Não informado. American Family Physician/GP. Kansas City, Kan: American Academy of General Practice, 1970.
Style de citation MLA (8e éd.)Não informado. American Family Physician/GP. American Academy of General Practice, 1970.
Attention : ces citations peuvent ne pas être correctes à 100%.