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.