Gaya APA
OYEN, L. (1999).
PROSEA: PLANT RESOURCES OF SOUTH-EAST ASIA 19 ESSENTIAL-OIL PLANTS .
LEIDEN:
BACKHUYS PUBLISHER.
Gaya MLA
OYEN, L..P.A.
"PROSEA: PLANT RESOURCES OF SOUTH-EAST ASIA 19 ESSENTIAL-OIL PLANTS".
LEIDEN:
BACKHUYS PUBLISHER,
1999.
Text.