Gaya APA

Ritonga, P., Jacoeb, T. (1996). Systemic Lupus Erytematosus on the Gynecological and Obstetrics (Lupus Eritematosus Sistemik dalam Obstetri Ginekologi) . : .

Gaya MLA

Ritonga, Patut., Jacoeb, T.Z.. "Systemic Lupus Erytematosus on the Gynecological and Obstetrics (Lupus Eritematosus Sistemik dalam Obstetri Ginekologi)". : , 1996. Text.