Gaya APA

Goldstein, Ronald E.. (1988). Change Your Smile (Second Edition). London: Quintessence.

Gaya Chicago

Goldstein, Ronald E.. Change Your Smile. Second Edition London: Quintessence, 1988. Text.

Gaya MLA

Goldstein, Ronald E.. Change Your Smile. Second Edition London: Quintessence, 1988. Text.

Gaya Turabian

Goldstein, Ronald E.. Change Your Smile. Second Edition London: Quintessence, 1988. Print.