RAM PARAS. (1990). GUIDE TO IMPORT POLICY AND PROCEDURES (5.). ANUPAM PUBLICATION.
芝加哥风格引文RAM PARAS. GUIDE TO IMPORT POLICY AND PROCEDURES. 5. NEW DELHI: ANUPAM PUBLICATION, 1990.
MLA引文RAM PARAS. GUIDE TO IMPORT POLICY AND PROCEDURES. 5. ANUPAM PUBLICATION, 1990.
警告：这些引文格式不一定是100％准确.