Wright, G. (1971). New Techniques for affective sales Manager. Vikas.
Chicago Style aipamenaWright, G. New Techniques for Affective Sales Manager. NULL: Vikas, 1971.
MLA aipamenaWright, G. New Techniques for Affective Sales Manager. Vikas, 1971.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.