APA (7e ed.) Bronvermelding

Catholic Worker International Gathering Chestnut Hill, Mass, Beardslee, B., & Gregory, J. (1991). Philosophy of the Green Revolution.

Chicago (17e ed.) Bronvermelding

Catholic Worker International Gathering Chestnut Hill, Mass, Bill Beardslee, en Judith Gregory. Philosophy of the Green Revolution. 1991.

MLA (8e ed.) Bronvermelding

Catholic Worker International Gathering Chestnut Hill, Mass, et al. Philosophy of the Green Revolution. 1991.