APA (7e ed.) Bronvermelding

GIRARD JOE. (1981). HOW TO SELL YOURSELF. WARNER BOOK.

Chicago (17e ed.) Bronvermelding

GIRARD JOE. HOW TO SELL YOURSELF. NEW YORK: WARNER BOOK, 1981.

MLA (9e ed.) Bronvermelding

GIRARD JOE. HOW TO SELL YOURSELF. WARNER BOOK, 1981.