APA引文

Orton, A. (1980). A cross-sectional study of the understanding of elementary calculus in adolescents and young adults.

Chicago Style (17th ed.) Citation

Orton, Anthony. A Cross-sectional Study of the Understanding of Elementary Calculus in Adolescents and Young Adults. 1980.

MLA引文

Orton, Anthony. A Cross-sectional Study of the Understanding of Elementary Calculus in Adolescents and Young Adults. 1980.

警告：這些引文格式不一定是100％准確.