RIES AL. (1990). BOTTOM-UP MARKETING. PLUME BOOK.
Chicago Style aipamenaRIES AL. BOTTOM-UP MARKETING. NEW YORK: PLUME BOOK, 1990.
MLA aipamenaRIES AL. BOTTOM-UP MARKETING. PLUME BOOK, 1990.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
RIES AL. (1990). BOTTOM-UP MARKETING. PLUME BOOK.
Chicago Style aipamenaRIES AL. BOTTOM-UP MARKETING. NEW YORK: PLUME BOOK, 1990.
MLA aipamenaRIES AL. BOTTOM-UP MARKETING. PLUME BOOK, 1990.