Tobing, N. L. 9 Seks Ekstra marital. Grasindo.
Chicago Style (17th ed.) CitationTobing, Naek L. 9 Seks Ekstra Marital. Grasindo.
MLA (8th ed.) CitationTobing, Naek L. 9 Seks Ekstra Marital. Grasindo.
Warning: These citations may not always be 100% accurate.