APA (7th ed.) Zitazioa

Hedge, T. (1986). freestyle: The skill of writing:. Nelson.

Chicago Style (17th ed.) Zitazioa

Hedge, Tricia. Freestyle: The Skill of Writing:. Surrey: Nelson, 1986.

MLA (9th ed.) Zitazioa

Hedge, Tricia. Freestyle: The Skill of Writing:. Nelson, 1986.