Castillo, C., & Bond, O. F. (1948). The University of Chicago Spanish dictionary: A new concise Spanish-English and English-Spanish dictionary of words and phrases basic to the written and spoken languages of today. University of Chicago Press.

Castillo, Carlos, and Otto F. Bond. The University of Chicago Spanish Dictionary: A New Concise Spanish-English and English-Spanish Dictionary of Words and Phrases Basic to the Written and Spoken Languages of Today. Chicago: University of Chicago Press, 1948.

Castillo, Carlos, and Otto F. Bond. The University of Chicago Spanish Dictionary: A New Concise Spanish-English and English-Spanish Dictionary of Words and Phrases Basic to the Written and Spoken Languages of Today. University of Chicago Press, 1948.