APA-viite (7. p.)

Sacha, J., Werner, B., Jerzy Jeleń, P., Gąsior, J. S., & Billman, G. E. (2019). Heart Rate Variability and other Autonomic Markers in Children and Adolescents. Frontiers Media SA.

Chicago-viite (17. p.)

Sacha, Jerzy, Bozena Werner, Piotr Jerzy Jeleń, Jakub S. Gąsior, ja George E. Billman. Heart Rate Variability and Other Autonomic Markers in Children and Adolescents. Frontiers Media SA, 2019.

MLA-viite (9. p.)

Sacha, Jerzy, et al. Heart Rate Variability and Other Autonomic Markers in Children and Adolescents. Frontiers Media SA, 2019.