APA (7e ed.) Bronvermelding

Roloff, J. G., & Wylder, R. C. (1971). There is no "away"; readings and language activities in ecology. Glencoe Press.

Chicago (17e ed.) Bronvermelding

Roloff, Joan G., en Robert C. Wylder. There Is No "Away"; Readings and Language Activities in Ecology. Beverly Hills, CA: Glencoe Press, 1971.

MLA (9e ed.) Bronvermelding

Roloff, Joan G., en Robert C. Wylder. There Is No "Away"; Readings and Language Activities in Ecology. Glencoe Press, 1971.