Gaya APA
Siregar, O, R. (2014).
Mature Teratoma Intrapulmonary in Adolescent .
Jakarta:
Rumah Sakit Kanker "Dharmais" (Pusat Kanker Nasional).
Gaya MLA
Siregar, Olga, Rasiyanti.
"Mature Teratoma Intrapulmonary in Adolescent".
Jakarta:
Rumah Sakit Kanker "Dharmais" (Pusat Kanker Nasional),
2014.
Text.