Sitasi

APA Format

Tobing, Bernhard L. . (1976). Surveillance kholera di Prop. Sumatera Utara. Jakarta : FKM UI

MLA Format

Tobing, Bernhard L. . Surveillance kholera di Prop. Sumatera Utara. Jakarta : FKM UI, 1976

Australian/Harvard Format

Tobing, Bernhard L. . 1976. Surveillance kholera di Prop. Sumatera Utara. FKM UI, Jakarta

Warning: These citations may not always be 100% accurate.