APA引文

MENCHIRS ROBERT S. (1991). MATURE MARKET: A GOLD MINE OF IDEAS FOR TAPPING THE 50+. PROBUS PUBLICATIONS.

Chicago Style (17th ed.) Citation

MENCHIRS ROBERT S. MATURE MARKET: A GOLD MINE OF IDEAS FOR TAPPING THE 50+. CHICAGO: PROBUS PUBLICATIONS, 1991.

MLA引文

MENCHIRS ROBERT S. MATURE MARKET: A GOLD MINE OF IDEAS FOR TAPPING THE 50+. PROBUS PUBLICATIONS, 1991.