Gaya APA
Kerja, I., A., K., Stein, E. (1987).
Clinical Electrocardiography : A Self Study Course .
Philadelphia:
Lea & Febiger.
Gaya MLA
Kerja, I., A., K., Stein, E..
Clinical Electrocardiography : A Self Study Course.
Philadelphia:
Lea & Febiger,
1987.
Text.