Schumm, Jeanne Shay
Freespirit Publishing, 1999
Buku Referensi
Rio Sofwanhadi
Faculty of Medicine University of Indonesia, 2001
Artikel Jurnal
All-China Student's Federation, 1955
Buku Teks
Denita Biyanda Utami
Charite, 2016
UI - Makalah dan Kertas Kerja
University of Minnesota Press, 1978
Buku Teks