APA引文

R.J Kranz. Professional selling A practical approach. D Van Nostrand Company.

Chicago Edition Citation

R.J Kranz. Professional Selling A Practical Approach. D Van Nostrand Company.

MLA引文

R.J Kranz. Professional Selling A Practical Approach. D Van Nostrand Company.

警告：這些引文格式不一定是100％准確.