APA (7th ed.) Citation

Driscoll, L., & Sharley, A. (1988). Trio plus: Students book. Heinemann educational books.

Chicago Style (17th ed.) Citation

Driscoll, Liz, and Alan Sharley. Trio Plus: Students Book. Oxford: Heinemann educational books, 1988.

MLA (9th ed.) Citation

Driscoll, Liz, and Alan Sharley. Trio Plus: Students Book. Heinemann educational books, 1988.

Warning: These citations may not always be 100% accurate.