APA引文

Optimum. (1981). Art of Leonardo Da Vinci. Hamlyn.

Chicago Style (17th ed.) Citation

Optimum. Art of Leonardo Da Vinci. Hong Kong: Hamlyn, 1981.

MLA引文

Optimum. Art of Leonardo Da Vinci. Hamlyn, 1981.

警告：這些引文格式不一定是100％准確.