APA aipamena

 Gardener, M. (2012).  The Essential R reference.  Wiley Pub., Inc.

Chicago Style aipamena

 Gardener, Mark.  The Essential R Reference.  Wiley Pub., Inc, 2012.

MLA aipamena

 Gardener, Mark.  The Essential R Reference.  Wiley Pub., Inc, 2012.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.