APA aipamena

Herzberg, E., & Nicholson, M. (1952). Training for retail sales staff. sir Isaac Pitman&sons.

Chicago Style aipamena

Herzberg, Else, and Mary Nicholson. Training for Retail Sales Staff. London: sir Isaac Pitman&sons, 1952.

MLA aipamena

Herzberg, Else, and Mary Nicholson. Training for Retail Sales Staff. sir Isaac Pitman&sons, 1952.