Cita APA

Beyer, T. R. (2007). 501 English verbs: Fully conjugated in all the tenses in a new easy-to-learn format, alphabetically arranged (2 edición.). Hauppauge, New York: Barron´s.

Citación estilo Chicago

Beyer, Thomas R. 501 English Verbs: Fully Conjugated in All the Tenses in a New Easy-to-learn Format, Alphabetically Arranged. 2 edición. Hauppauge, New York: Barron´s, 2007.

Cita MLA

Beyer, Thomas R. 501 English Verbs: Fully Conjugated in All the Tenses in a New Easy-to-learn Format, Alphabetically Arranged. 2 edición. Hauppauge, New York: Barron´s, 2007.