Swick, E. (2005). Practice makes perfect English pronouns and prepositions. New York: McGraw Hill.
Stile di citazione ChicagoSwick, Ed. Practice Makes Perfect English Pronouns and Prepositions. New York: McGraw Hill, 2005.
Citazione MLASwick, Ed. Practice Makes Perfect English Pronouns and Prepositions. New York: McGraw Hill, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.