APA引文

Shapiro, G. L. (1985). Factors influencing the variance in sign learning performance by four juvenile Orangutans (Pongo pygmaeus).

Chicago Style (17th ed.) Citation

Shapiro, Gary Louis. Factors Influencing the Variance in Sign Learning Performance by Four Juvenile Orangutans (Pongo Pygmaeus). 1985.

MLA引文

Shapiro, Gary Louis. Factors Influencing the Variance in Sign Learning Performance by Four Juvenile Orangutans (Pongo Pygmaeus). 1985.

警告：这些引文格式不一定是100％准确.