APA (7 ম সংস্করণ) উদ্ধৃতি

BOYCE WILLIAM E. (2001). ELEMENTARY DIFFERENTIAL EQUATIONS AND BOUNDARY VALUE PROBLEMS 7TH ED (7TH ED.). JOHN WILEY & SONS, INC.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

BOYCE WILLIAM E. ELEMENTARY DIFFERENTIAL EQUATIONS AND BOUNDARY VALUE PROBLEMS 7TH ED. 7TH ED. NEW YORK: JOHN WILEY & SONS, INC, 2001.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

BOYCE WILLIAM E. ELEMENTARY DIFFERENTIAL EQUATIONS AND BOUNDARY VALUE PROBLEMS 7TH ED. 7TH ED. JOHN WILEY & SONS, INC, 2001.