APA (7 ম সংস্করণ) উদ্ধৃতি

VALENTI JACK. (1982). SPEAK UP WITH CONFIDENCE: HOW TO PREPARE,LEARN & DELIVER... SPEECHES. WILLIAM MORROW.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

VALENTI JACK. SPEAK UP WITH CONFIDENCE: HOW TO PREPARE,LEARN & DELIVER... SPEECHES. NEW YORK: WILLIAM MORROW, 1982.

M.L.A (9 ম সংস্করণ) উদ্ধৃতি

VALENTI JACK. SPEAK UP WITH CONFIDENCE: HOW TO PREPARE,LEARN & DELIVER... SPEECHES. WILLIAM MORROW, 1982.