APA (7. basım) Alıntı

ROBERTS-PHELPS GRAHAM. (2000). SALES TRAINING GAMES. GOWER.

Chicago Style (17. basım) Atıf

ROBERTS-PHELPS GRAHAM. SALES TRAINING GAMES. U S A: GOWER, 2000.

MLA (9th ed.) Atıf

ROBERTS-PHELPS GRAHAM. SALES TRAINING GAMES. GOWER, 2000.