Lidstone. (1975). Training salesmen on the job. University printing house.
استشهاد بنمط شيكاغوLidstone. Training Salesmen on the Job. Britain: University printing house, 1975.
MLA استشهادLidstone. Training Salesmen on the Job. University printing house, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.