Maton, Anthea; Jean Hopkins,; Charles William McLaughlin; Susan Johnson; Maryanna Quon Warner; David LaHart; Jill D. Wright (1993). Human Biology and Health. Englewood Cliffs, New Jersey, USA: Prentice Hall. ISBN0-13-981176-1.{{navedi knjigo}}: Vzdrževanje CS1: dodatno ločilo (povezava)