APA (7e ed.) Bronvermelding

Não informado. (2008). Trees in South Africa. Tree Society of Southern Africa.

Chicago (17e ed.) Bronvermelding

Não informado. Trees in South Africa. Johannesburg, Africa do Sul: Tree Society of Southern Africa, 2008.

MLA (8e ed.) Bronvermelding

Não informado. Trees in South Africa. Tree Society of Southern Africa, 2008.

Let op: Deze citaties zijn niet altijd 100% accuraat.