APA (7e ed.) Bronvermelding

Bulgarian Journal of Soil Science | Bulgarian Soil Science Society. Cambridge University Press.

Chicago (17e ed.) Bronvermelding

Bulgarian Journal of Soil Science | Bulgarian Soil Science Society. Cambridge University Press.

MLA (9e ed.) Bronvermelding

Bulgarian Journal of Soil Science | Bulgarian Soil Science Society. Cambridge University Press.

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