APA (7th ed.) Citation

Tyson-Ward, S. (2008). Portuguese verbs & essentials of grammar. McGraw-Hill.

Chicago Style (17th ed.) Citation

Tyson-Ward, Sue. Portuguese Verbs & Essentials of Grammar. New York: McGraw-Hill, 2008.

MLA (8th ed.) Citation

Tyson-Ward, Sue. Portuguese Verbs & Essentials of Grammar. McGraw-Hill, 2008.