Gaya APA
Sastrohamidjoyo, H.
(2004).
Kimia minyak atsiri
.
Gorontalo:
Gadjah Mada University Press.
Gaya MLA
Sastrohamidjoyo, Hardjono.
"Kimia minyak atsiri".
Gorontalo:
Gadjah Mada University Press,
2004.
Text.