Boomverzorging.

MLA

Lasoen, Günther. Boomverzorging. Melle: [s.n.], 2001.

APA

Lasoen, G. (2001). Boomverzorging. Melle: [s.n.].

Chicago

Lasoen, Günther Boomverzorging. Melle: [s.n.], 2001.