HOPPOCK, R. (1967). Occupational information: Where to get it and how touse it in counseling and in teaching.-- Ed.3. McGraw-Hill.
芝加哥风格引文HOPPOCK, Robert. Occupational Information: Where to Get It and How Touse It in Counseling and in Teaching.-- Ed.3. New York: McGraw-Hill, 1967.
MLA引文HOPPOCK, Robert. Occupational Information: Where to Get It and How Touse It in Counseling and in Teaching.-- Ed.3. McGraw-Hill, 1967.
警告:这些引文格式不一定是100%准确.