Willis, Bailey
Stanford University Press , 1949
Buku Teks
Karch, Amy M., author
Lippincott, Williams & Wilkins , 2003
Buku Teks
edited by Maggie Toy
Academy Group, 1997
Buku Teks
gues-edited by Neil Spiller
Academy Editions, 1998
Buku Teks
editors, Robert Joyce, Rossiana Santos and Laura Turlington
MIT Press, 1997
Buku Teks