APA (7th ed.) Zitazioa
Hart, N. (1971). Clear writing: Student's companion to the Africa Christian writers course. Petro Van Wyk press.
Chicago Style (17th ed.) Zitazioa
Hart, Norman. Clear Writing: Student's Companion to the Africa Christian Writers Course. Malawi: Petro Van Wyk press, 1971.
MLA (9th ed.) Zitazioa
Hart, Norman. Clear Writing: Student's Companion to the Africa Christian Writers Course. Petro Van Wyk press, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.