Iga, Mamoru. "Suicide in Japan". Social Science & Medicine. Part A: Medical Psychology & Medical Sociology. 12 (4). 1978: 507–16. doi:10.1016/0271-7123(78)90118-9. PMID734468. p. 519. (ing.)
Iga, Mamoru. "Suicide in Japan". Social Science & Medicine. Part A: Medical Psychology & Medical Sociology. 12 (4). 1978: 507–16. doi:10.1016/0271-7123(78)90118-9. PMID734468. p. 519. (ing.)