APA aipamena

Janse, M. J. (1971). The effect of changes in heart rate on the refractory period of the heart. Mondeel Offsetdrukkerij.

Chicago Style aipamena

Janse, Michiel Johannes. The Effect of Changes in Heart Rate on the Refractory Period of the Heart. Amsterdam: Mondeel Offsetdrukkerij, 1971.

MLA aipamena

Janse, Michiel Johannes. The Effect of Changes in Heart Rate on the Refractory Period of the Heart. Mondeel Offsetdrukkerij, 1971.