Citazione Stile APA (7a Edizione)

Elbaum, S. N. (2010). Grammar in context, level 3 student edition (5th ed.). Heinle, Cengage Learning.

Citazione stile Chigago Style (17a edizione)

Elbaum, Sandra N. Grammar in Context, Level 3 Student Edition. 5th ed. Australia: Heinle, Cengage Learning, 2010.

Citatione MLA (9a ed.)

Elbaum, Sandra N. Grammar in Context, Level 3 Student Edition. 5th ed. Heinle, Cengage Learning, 2010.