APA aipamena

Madrigal, M. (1960). Madrigal's key to spanish. Doubleday.

Chicago Style aipamena

Madrigal, Margarita. Madrigal's Key to Spanish. New York: Doubleday, 1960.

MLA aipamena

Madrigal, Margarita. Madrigal's Key to Spanish. Doubleday, 1960.