Вена — разлика између измена

* {{Cite book | author=Arthur C. Guyton John E. Hall |editor= | title=Медицинска физиологија | edition= | issue= | pages= | publisher=Савремена администрација |location=Београд | year=1999 | isbn=638705999 | doi= | url= | ref = harv}}

* {{Cite book | last = Maton | first = Anthea | authorlink = | coauthors = Jean Hopkins, Charles William McLaughlin, Alexandra Senckowski, Susan Johnson, Maryanna Quon Warner, David LaHart, Jill D. Wright | title = Human Biology and Health | publisher = Prentice Hall | year = 1993 | location = Englewood Cliffs, New Jersey | pages = | isbn = 0-13-981176-1| ref = harv}}