APA (7e ed.) Bronvermelding

PERSULESSY, G. H. (1988). Listening improvement exercises for students of englishas a foreign language. Depdikbud.

Chicago (17e ed.) Bronvermelding

PERSULESSY, George Herman. Listening Improvement Exercises for Students of Englishas a Foreign Language. Jakarta: Depdikbud, 1988.

MLA (9e ed.) Bronvermelding

PERSULESSY, George Herman. Listening Improvement Exercises for Students of Englishas a Foreign Language. Depdikbud, 1988.