Gaya APA
Ebel, S. et al
(1992).
Obat Sintetik
.
Yogyakarta:
Gadjah Mada University Press.
Gaya MLA
Ebel, Siegfried. et al.
"Obat Sintetik".
Yogyakarta:
Gadjah Mada University Press,
1992.
Book.