APA (7e ed.) Bronvermelding

Summers, D. (1987). Longman dictionary of contemporary English (New ed.). Longman.

Chicago (17e ed.) Bronvermelding

Summers, Della. Longman Dictionary of Contemporary English. New ed. Harlow, Essex, England: Longman, 1987.

MLA (8e ed.) Bronvermelding

Summers, Della. Longman Dictionary of Contemporary English. New ed. Longman, 1987.