FORSYTH, P. (1997). Marketing In Publishing. Routledge.
Chicago Style aipamenaFORSYTH, Patrick. Marketing In Publishing. Routledge, 1997.
MLA aipamenaFORSYTH, Patrick. Marketing In Publishing. Routledge, 1997.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.