APA (7e ed.) Bronvermelding

Kohl, A. L., & Nielsen, R. (1997). Gas purification (5th ed.). Gulf Pub..

Chicago (17e ed.) Bronvermelding

Kohl, Arthur L., en Richard Nielsen. Gas Purification. 5th ed. Houston, Tex.: Gulf Pub., 1997.

MLA (9e ed.) Bronvermelding

Kohl, Arthur L., en Richard Nielsen. Gas Purification. 5th ed. Gulf Pub., 1997.