APA (7e ed.) Bronvermelding
New Strategist Publications, Inc. (2013). Who's buying by age (Seventh edition.). New Strategist Press.
Chicago (17e ed.) Bronvermelding
New Strategist Publications, Inc. Who's Buying by Age. Seventh edition. Amityville, NY: New Strategist Press, 2013.
MLA (9e ed.) Bronvermelding
New Strategist Publications, Inc. Who's Buying by Age. Seventh edition. New Strategist Press, 2013.
Let op: Deze citaties zijn niet altijd 100% accuraat.