APA (7e ed.) Bronvermelding

TACK ALFRED. (1990). HOW TO SUCCEED AS A SALES MANAGER. CEDAR MANDRAIN.

Chicago (17e ed.) Bronvermelding

TACK ALFRED. HOW TO SUCCEED AS A SALES MANAGER. LONDON: CEDAR MANDRAIN, 1990.

MLA (9e ed.) Bronvermelding

TACK ALFRED. HOW TO SUCCEED AS A SALES MANAGER. CEDAR MANDRAIN, 1990.