Citazione Stile APA (7a Edizione)

FENTON JOHN. (1984). HOW TO SELL AGAINST COMPETITION. HEINEMANN.

Citazione stile Chigago Style (17a edizione)

FENTON JOHN. HOW TO SELL AGAINST COMPETITION. LONDON: HEINEMANN, 1984.

Citatione MLA (9a ed.)

FENTON JOHN. HOW TO SELL AGAINST COMPETITION. HEINEMANN, 1984.