Gaya APA
Guenther, E. (1972).
The Essential Oils. Volume 4 : Individual Essential Oils of The Plant Families Gramineae, Lauraceae, Burseraceae, and Geraniaceae .
New York:
Robber E. Krieger.
Gaya MLA
Guenther, Ernest.
"The Essential Oils. Volume 4 : Individual Essential Oils of The Plant Families Gramineae, Lauraceae, Burseraceae, and Geraniaceae".
New York:
Robber E. Krieger,
1972.
Text.