APA Format
Magdalena. (1978.).
Alexander Fleming penemu penisilin / Magdalena
. Jakarta :: Danau Singkarak,.
MLA Format
Magdalena.
Alexander Fleming penemu penisilin / Magdalena
. Jakarta :: Danau Singkarak,, 1978.
Chicago Format
Magdalena. Alexander Fleming penemu penisilin / Magdalena. Jakarta :: Danau Singkarak,, 1978..