APA aipamena

Birkenes, T. S., Myklebust, H., & Kramer-Johansen, J. (2013). Time delays and capability of elderly to activate speaker function for continuous telephone CPR. BioMed Central.

Chicago Style aipamena

Birkenes, Tonje S., Helge Myklebust, and Jo Kramer-Johansen. Time Delays and Capability of Elderly to Activate Speaker Function for Continuous Telephone CPR. BioMed Central, 2013.

MLA aipamena

Birkenes, Tonje S., Helge Myklebust, and Jo Kramer-Johansen. Time Delays and Capability of Elderly to Activate Speaker Function for Continuous Telephone CPR. BioMed Central, 2013.