APA (7 ম সংস্করণ) উদ্ধৃতি

JACQUELINE DUNCKEL, E. P. (1989). GUIDE TO EFFECTIVE BUSINESS SPEAKING: MAKING PRESENTATIONS, USING AUDIO- VISUAL AND DEALING WITH THE MEDIA. INT. SELF-COUNSEL.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

JACQUELINE DUNCKEL, ELIZABETH PARNHAM.. GUIDE TO EFFECTIVE BUSINESS SPEAKING: MAKING PRESENTATIONS, USING AUDIO- VISUAL AND DEALING WITH THE MEDIA. INT. SELF-COUNSEL, 1989.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

JACQUELINE DUNCKEL, ELIZABETH PARNHAM.. GUIDE TO EFFECTIVE BUSINESS SPEAKING: MAKING PRESENTATIONS, USING AUDIO- VISUAL AND DEALING WITH THE MEDIA. INT. SELF-COUNSEL, 1989.