RAM PARAS. (1988). GUIDE TO IMPORT POLICY AND PROCEDURES (4.). ANUPAM PUBLICATION.
芝加哥风格引文RAM PARAS. GUIDE TO IMPORT POLICY AND PROCEDURES. 4. DELHI: ANUPAM PUBLICATION, 1988.
MLA引文RAM PARAS. GUIDE TO IMPORT POLICY AND PROCEDURES. 4. ANUPAM PUBLICATION, 1988.
警告：这些引文格式不一定是100％准确.