एपीए उद्धरण

Fernández Aguilar, M., Valverde Serrano, L., Jiménez Ulloa, M. E., Sánchez Alvarado, M. C., & Sequeira Ortiz, N. (1981). Existing at the Center for Documentation Unit of the National University Library Documents.

शिकागो स्टाइल उद्धरण

Fernández Aguilar, Mayra, Lady Valverde Serrano, María Ester Jiménez Ulloa, María Cecilia Sánchez Alvarado, और Nidia Sequeira Ortiz. Existing At the Center for Documentation Unit of the National University Library Documents. 1981.

एमएलए उद्धरण

Fernández Aguilar, Mayra, et al. Existing At the Center for Documentation Unit of the National University Library Documents. 1981.