Arif, S., T., Makruf, I., D., G., H., W., M., R.(2013).Sistem Monitoring Photoplethymograph (PPG) Berbasis Personal Computer .:Jurusan Teknik Elektromedik Poltekkes Kemenkes Surabaya.
Gaya MLA
Arif, S., T., Makruf, I., D., G., H., W., M., R..Sistem Monitoring Photoplethymograph (PPG) Berbasis Personal Computer.:Jurusan Teknik Elektromedik Poltekkes Kemenkes Surabaya,2013.Text.