APA (7e ed.) Bronvermelding

Laverty, C. e. a. (1971). The unity of english. Five basic focal points. Harper and Row.

Chicago (17e ed.) Bronvermelding

Laverty, Carroll et al. The Unity of English. Five Basic Focal Points. New York, Estados Unidos: Harper and Row, 1971.

MLA (9e ed.) Bronvermelding

Laverty, Carroll et al. The Unity of English. Five Basic Focal Points. Harper and Row, 1971.