Gaya APA

Micheaux, P, L, D. et al (2013). The r software : fundamentals of programming and statistical analysis (Ed.1). New York: Springer, NY.

Gaya MLA

Micheaux, Pierre, Lafaye, De. et al. "The r software : fundamentals of programming and statistical analysis". Ed.1 New York: Springer, NY, 2013. Text.