APA (7th ed.) Citation

(1992). Grammar exercises. Pro Lingua Assoicates.

Chicago Style (17th ed.) Citation

Grammar Exercises. Brattleboro, Vermont: Pro Lingua Assoicates, 1992.

MLA (9th ed.) Citation

Grammar Exercises. Pro Lingua Assoicates, 1992.

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