Cita APA

Kendris, C., & Kendris, C. (1990). 501 spanich verbs: Fully conjugated in all the tenses in a new easy to learn format (3.).

Citación estilo Chicago

Kendris, Christopher, y Christopher Kendris. 501 Spanich Verbs: Fully Conjugated in All the Tenses in a New Easy to Learn Format. 3. 1990.

Cita MLA

Kendris, Christopher, y Christopher Kendris. 501 Spanich Verbs: Fully Conjugated in All the Tenses in a New Easy to Learn Format. 3. 1990.