APA (7 ম সংস্করণ) উদ্ধৃতি

WILLIS, T. H. (1983). Workbook Study Guide To Accompany Statistics For Business And Economics T. Hillman Willis. Business Publications.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

WILLIS, T. Hillman. Workbook Study Guide To Accompany Statistics For Business And Economics T. Hillman Willis. Business Publications, 1983.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

WILLIS, T. Hillman. Workbook Study Guide To Accompany Statistics For Business And Economics T. Hillman Willis. Business Publications, 1983.