APA引文

Zobel de Ayala, J., & Viana, F. (1983). Zobel photographs. [s.n.].

Chicago Style (17th ed.) Citation

Zobel de Ayala, Jaime, and Frances Viana. Zobel Photographs. Manila: [s.n.], 1983.

MLA引文

Zobel de Ayala, Jaime, and Frances Viana. Zobel Photographs. [s.n.], 1983.