APA (7e ed.) Bronvermelding

Gould, S. B., & Cross, K. P. (1972). Explorations in non-traditional study ([1st ed.].). Jossey-Bass.

Chicago (17e ed.) Bronvermelding

Gould, Samuel B., en K. Patricia Cross. Explorations in Non-traditional Study. [1st ed.]. San Francisco: Jossey-Bass, 1972.

MLA (8e ed.) Bronvermelding

Gould, Samuel B., en K. Patricia Cross. Explorations in Non-traditional Study. [1st ed.]. Jossey-Bass, 1972.