Maton، Anthea bj؛ 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. ISBN:0-13-981176-1. مؤرشف من الأصل في 2019-12-15.
Maton، Anthea bj؛ 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. ISBN:0-13-981176-1. مؤرشف من الأصل في 2019-12-15.