APA (7e ed.) Bronvermelding

3G Elearning FZ LLC. (2016). Landscape installation and maintenance (softscape): Intermediate. 3G Elearning.

Chicago (17e ed.) Bronvermelding

3G Elearning FZ LLC. Landscape Installation and Maintenance (softscape): Intermediate. UAE: 3G Elearning, 2016.

MLA (9e ed.) Bronvermelding

3G Elearning FZ LLC. Landscape Installation and Maintenance (softscape): Intermediate. 3G Elearning, 2016.

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