Dyfyniad APA

Summerall, C. P. (1985). Lessons in EKG interpretation: A basic self-instruction guide. John Wiley and Sons.

Dyfyniad Arddull Chicago

Summerall, Charles P. Lessons in EKG Interpretation: A Basic Self-instruction Guide. John Wiley and Sons, 1985.

Dyfyniad MLA

Summerall, Charles P. Lessons in EKG Interpretation: A Basic Self-instruction Guide. John Wiley and Sons, 1985.

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