Παραπομπή σε μορφή APA (7η εκδ.)

WALTERS LILLY. (2000). SECRETS OF SUPERSTAR SPEAKERS: WISDOM FROM GREATEST MOTIVATORS OF OUR TIME AND WITH THOSE ? TATA MCGRAW-HILL.

Παραπομπή σε μορφή Chicago (17η εκδ.)

WALTERS LILLY. SECRETS OF SUPERSTAR SPEAKERS: WISDOM FROM GREATEST MOTIVATORS OF OUR TIME AND WITH THOSE ? NEW DELHI: TATA MCGRAW-HILL, 2000.

Παραπομπή σε μορφή MLA (9th εκδ.)

WALTERS LILLY. SECRETS OF SUPERSTAR SPEAKERS: WISDOM FROM GREATEST MOTIVATORS OF OUR TIME AND WITH THOSE ? TATA MCGRAW-HILL, 2000.