APA-referens

Swick, E. (2005). Practice makes perfect English pronouns and prepositions. New York: McGraw Hill.

Chicago-stil citat

Swick, Ed. Practice Makes Perfect English Pronouns and Prepositions. New York: McGraw Hill, 2005.

MLA-referens

Swick, Ed. Practice Makes Perfect English Pronouns and Prepositions. New York: McGraw Hill, 2005.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.