GIRARD JOE. (1981). HOW TO SELL YOURSELF. WARNER BOOK.
Chicago Style aipamenaGIRARD JOE. HOW TO SELL YOURSELF. NEW YORK: WARNER BOOK, 1981.
MLA aipamenaGIRARD JOE. HOW TO SELL YOURSELF. WARNER BOOK, 1981.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.