Gaya APA

Guenther, E., Ketaren, S. (1991). Minyak Atsiri Jilid IIIA (1991). Jakarta: UI Press.

Gaya MLA

Guenther, Ernest., Ketaren, S.. "Minyak Atsiri Jilid IIIA". 1991 Jakarta: UI Press, 1991. Text books.