APA (7e ed.) Bronvermelding

Sindhøj, E. (2001). Elevated atmospheric CO₂ in a semi-natural grassland. Swedish University of Agricultural Sciences.

Chicago (17e ed.) Bronvermelding

Sindhøj, Erik. Elevated Atmospheric CO₂ in a Semi-natural Grassland. Uppsala: Swedish University of Agricultural Sciences, 2001.

MLA (8e ed.) Bronvermelding

Sindhøj, Erik. Elevated Atmospheric CO₂ in a Semi-natural Grassland. Swedish University of Agricultural Sciences, 2001.