APA (7e ed.) Bronvermelding

GREENLAW, M., & BARTON, G. (1972). Stepping stones. Harper and Row.

Chicago (17e ed.) Bronvermelding

GREENLAW, M.Jean, en Gretchen BARTON. Stepping Stones. New York: Harper and Row, 1972.

MLA (9e ed.) Bronvermelding

GREENLAW, M.Jean, en Gretchen BARTON. Stepping Stones. Harper and Row, 1972.