Dyfyniad APA

Gupta, S., & Mittal, S. (2013). Yawning and its physiological significance. Medknow Publications & Media Pvt Ltd.

Dyfyniad Arddull Chicago

Gupta, Sharat, and Shallu Mittal. Yawning and Its Physiological Significance. Medknow Publications & Media Pvt Ltd, 2013.

Dyfyniad MLA

Gupta, Sharat, and Shallu Mittal. Yawning and Its Physiological Significance. Medknow Publications & Media Pvt Ltd, 2013.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.