Department of Agriculture. The Forests of western and central Ecuador: Ecuador supplies the world with balsa.
Chicago (17e ed.) BronvermeldingDepartment of Agriculture. The Forests of Western and Central Ecuador: Ecuador Supplies the World with Balsa.
MLA (8e ed.) BronvermeldingDepartment of Agriculture. The Forests of Western and Central Ecuador: Ecuador Supplies the World with Balsa.
Let op: Deze citaties zijn niet altijd 100% accuraat.