Ryan, Jeffrey R. and Glarum, Jan F. Biosecurity and Bioterrorism: Containing and Preventing Biological Threats, (Google BooksАрхивная копия от 1 апреля 2022 на Wayback Machine), Butterworth-Heinemann, 2008, p. 14, (ISBN 0750684895).
Graham, Thomas. Disarmament Sketches: Three Decades of Arms Control and International Law, (Google Books), University of Washington Press, 2002, pp. 21-30, (ISBN 0295982128).
O’Brien, Neil. An American Editor in Early Revolutionary China: John William Powell and the China Weekly/monthly Review, (Google Books), Routledge, 2003, p. 217-19, (ISBN 0415944244).
Ryan, Jeffrey R. and Glarum, Jan F. Biosecurity and Bioterrorism: Containing and Preventing Biological Threats, (Google BooksАрхивная копия от 1 апреля 2022 на Wayback Machine), Butterworth-Heinemann, 2008, p. 14, (ISBN 0750684895).