APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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