Não informado. (1970). American Family Physician/GP. American Academy of General Practice.
Čikaški stil citiranja (17. izdanje)Não informado. American Family Physician/GP. Kansas City, Kan: American Academy of General Practice, 1970.
MLA način citiranja (8. izdanje)Não informado. American Family Physician/GP. American Academy of General Practice, 1970.
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