Pakes, W. C. C. (1912). The science of hygiene: A text-book of laboratory practice for public health students (New ed., rev.). D. Van Nostrand Co..
Lua i Stíl Chicago (17ú heag.)Pakes, Walter Charles Cross. The Science of Hygiene: A Text-book of Laboratory Practice for Public Health Students. New ed., rev. New York: D. Van Nostrand Co., 1912.
Lua MLA (8ú heag.)Pakes, Walter Charles Cross. The Science of Hygiene: A Text-book of Laboratory Practice for Public Health Students. New ed., rev. D. Van Nostrand Co., 1912.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.