Gaya APA

Napier, C., Napier, . (2020). E-book Science of Running: Analyze your Technique, Prevent Injury, Revolutionize your Training . Germany: DK Publishing.

Gaya MLA

Napier, Chris., Napier, . "E-book Science of Running: Analyze your Technique, Prevent Injury, Revolutionize your Training". Germany: DK Publishing, 2020. Text.