Gaya APA
Diagnostic Medical Sonography: Obstetrics and Gynecology. (2018).
Philadelphia:
Lippincott Williams & Wilkins (LWW).
Gaya MLA
Diagnostic Medical Sonography: Obstetrics and Gynecology.
4.
Philadelphia:
Lippincott Williams & Wilkins (LWW),
2018.
Buku Teks.