Cita APA (7th ed.)

RIES AL. (1990). BOTTOM UP MARKETING. PLUME BOOK.

Cita Chicago (17th ed.)

RIES AL. BOTTOM UP MARKETING. NEW YORK: PLUME BOOK, 1990.

Cita MLA (9th ed.)

RIES AL. BOTTOM UP MARKETING. PLUME BOOK, 1990.