APA (7th ed.) Citation

Hartono, A., Abedin, C., & Soelia. (1991). Belajar EKG tanpa Guru. Yayasan Essenta Medika.

Chicago Style (17th ed.) Citation

Hartono, Andry, Conner Abedin, and Soelia. Belajar EKG Tanpa Guru. Yayasan Essenta Medika, 1991.

MLA (9th ed.) Citation

Hartono, Andry, et al. Belajar EKG Tanpa Guru. Yayasan Essenta Medika, 1991.