APA
Barfield M., . (2013). Triathlon - the Go Faster Guide : How to Make Yourself a Quicker Triathlete. : Bloomsbury publishing.
Chicago
Barfield Mark, . 2013. Triathlon - the Go Faster Guide : How to Make Yourself a Quicker Triathlete. : Bloomsbury publishing.
Harvard
Barfield M., . (2013). Triathlon - the Go Faster Guide : How to Make Yourself a Quicker Triathlete. : Bloomsbury publishing.
MLA
Barfield Mark, . Triathlon - the Go Faster Guide : How to Make Yourself a Quicker Triathlete. : Bloomsbury publishing. 2013.