APA (7th ed.) Zitazioa
Gray, J., & Fletcher, I. (1988). The Poetry of John Gray. ELT Press, Dept. of English, University of North Carolina.
Chicago Style (17th ed.) Zitazioa
Gray, John, eta Ian Fletcher. The Poetry of John Gray. Greensboro, NC: ELT Press, Dept. of English, University of North Carolina, 1988.
MLA (9th ed.) Zitazioa
Gray, John, eta Ian Fletcher. The Poetry of John Gray. ELT Press, Dept. of English, University of North Carolina, 1988.
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