APA引文
BELL, R., & ET AL. (2003). DOWN'S SYNDROME: OCCURRENCE AND OUTCOME IN THE NORTH OF ENGLAND, 1985-99.
Chicago Style (17th ed.) Citation
BELL, R., and ET AL. DOWN'S SYNDROME: OCCURRENCE AND OUTCOME IN THE NORTH OF ENGLAND, 1985-99. 2003.
MLA引文
BELL, R., and ET AL. DOWN'S SYNDROME: OCCURRENCE AND OUTCOME IN THE NORTH OF ENGLAND, 1985-99. 2003.
警告：這些引文格式不一定是100％准確.