APA সাইটেশন

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.

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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