DVS Edition Citation

(2006, 23. May). FreePatentsOnline: Respiratory biofeedback and performance evaluation system. Zugriff unter http://www.freepatentsonline.com/3991304.html

APA (7th ed.) Citation

(2005). FreePatentsOnline: Respiratory biofeedback and performance evaluation system.

Chicago Style (17th ed.) Citation

FreePatentsOnline: Respiratory Biofeedback and Performance Evaluation System. 2005.

MLA (9th ed.) Citation

FreePatentsOnline: Respiratory Biofeedback and Performance Evaluation System. 2005.

Warning: These citations may not always be 100% accurate.