APA (7e ed.) Bronvermelding

Zehetmayr, J. (1960). Afforestation of upland heaths. Her Majesty's Stationery Office.

Chicago (17e ed.) Bronvermelding

Zehetmayr, J.W.L. Afforestation of Upland Heaths. Edinburgh: Her Majesty's Stationery Office, 1960.

MLA (9e ed.) Bronvermelding

Zehetmayr, J.W.L. Afforestation of Upland Heaths. Her Majesty's Stationery Office, 1960.