Greene, G. (1985). The heart of the matter.
Chicago Style aipamenaGreene, Graham. The Heart of the Matter. Essex, Longman, 1985.
MLA aipamenaGreene, Graham. The Heart of the Matter. 1985.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
Greene, G. (1985). The heart of the matter.
Chicago Style aipamenaGreene, Graham. The Heart of the Matter. Essex, Longman, 1985.
MLA aipamenaGreene, Graham. The Heart of the Matter. 1985.