APA (7e ed.) Bronvermelding

Gräbner, M. (2015). Industrial coal gasification technologies covering baseline and high-ash coal. Wiley-VCH.

Chicago (17e ed.) Bronvermelding

Gräbner, Martin. Industrial Coal Gasification Technologies Covering Baseline and High-ash Coal. Weinheim, Germany: Wiley-VCH, 2015.

MLA (9e ed.) Bronvermelding

Gräbner, Martin. Industrial Coal Gasification Technologies Covering Baseline and High-ash Coal. Wiley-VCH, 2015.