Gaya APA
Wagner, ., R.FARNSWORTH, N. (1990).
Economic and Medicinal Plant Research Vol.4 Plant and Traditional Medicine (Vol.4 Plant and Traditional Medicine).
London:
ACADEMIC PRES Harcout Brace Jovanovich, Publishers.
Gaya MLA
Wagner, ., R.FARNSWORTH, NORMAN.
"Economic and Medicinal Plant Research Vol.4 Plant and Traditional Medicine".
Vol.4 Plant and Traditional Medicine
London:
ACADEMIC PRES Harcout Brace Jovanovich, Publishers,
1990.
Text.