APA引文

(1990). National Health Interview Survey, 1987 Poliomyelitis Supplement / United States Department of Health and Human Services. National Center for Health Statistics. [electronic resource].

Chicago Style (17th ed.) Citation

National Health Interview Survey, 1987 Poliomyelitis Supplement / United States Department of Health and Human Services. National Center for Health Statistics. [electronic Resource]. 1990.

MLA引文

National Health Interview Survey, 1987 Poliomyelitis Supplement / United States Department of Health and Human Services. National Center for Health Statistics. [electronic Resource]. 1990.

警告：這些引文格式不一定是100％准確.