Tyson-Ward

Panjabi

By Purewal, Navtej Kaur, Tyson-Ward, Sue, Kalra, Surjit Singh

Portuguese Verbs And Essentials of Grammar (Verbs and Essentials of Grammar Series)

By Tyson-Ward, Sue

Basic Portuguese (Practice Makes Perfect (McGraw-Hill)): With 190 Exercises (NTC FOREIGN LANGUAGE)

By Tyson-Ward, Sue

Teach Yourself Beginner's Portuguese (TYL)

By Tyson-Ward, Sue