Citazione Stile APA (7a Edizione)

DIXSON, R. J. (1972). Tests and drills in english grammar: Book 1.-- Ed.Revised. Regents Publishing.

Citazione stile Chigago Style (17a edizione)

DIXSON, Robert J. Tests and Drills in English Grammar: Book 1.-- Ed.Revised. [sl.]: Regents Publishing, 1972.

Citatione MLA (9a ed.)

DIXSON, Robert J. Tests and Drills in English Grammar: Book 1.-- Ed.Revised. Regents Publishing, 1972.