Walujo, P. B. Kumpulan makalah/kuliah utama kongres obstetri dan ginekologi Indonesia VII & kongres masean chapter of obstetrics and gynaecology I = The seventh Congress of Indonesia Obstetrics and Gynaecology & the first Congress of Masean chapter of Obstetrics: Proceedings. [s.n.], 1987.
শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতিWalujo, Pantjer Budhi. Kumpulan Makalah/kuliah Utama Kongres Obstetri Dan Ginekologi Indonesia VII & Kongres Masean Chapter of Obstetrics and Gynaecology I = The Seventh Congress of Indonesia Obstetrics and Gynaecology & the First Congress of Masean Chapter of Obstetrics: Proceedings. [s.l.]: [s.n.], 1987.
M.L.A (9 ম সংস্করণ) উদ্ধৃতিWalujo, Pantjer Budhi. Kumpulan Makalah/kuliah Utama Kongres Obstetri Dan Ginekologi Indonesia VII & Kongres Masean Chapter of Obstetrics and Gynaecology I = The Seventh Congress of Indonesia Obstetrics and Gynaecology & the First Congress of Masean Chapter of Obstetrics: Proceedings. [s.n.], 1987.