Francis,Geoffery K. (1978). Modern Marketing Management: Introduction. s chand.
Chicago Style aipamenaFrancis,Geoffery K. Modern Marketing Management: Introduction. new delhi: s chand, 1978.
MLA aipamenaFrancis,Geoffery K. Modern Marketing Management: Introduction. s chand, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.