Stevenson, Augusta, author
Bobbs-Merrill, 1959
Buku Teks
Hemant Godara, Angela Hirbe, editors
Wolters Kluwer/Lippincott Williams & Wilkins, 2014
Buku Teks
Rickels, Milton, author
Twayne, 1965
Buku Teks
Cunliffe, Marcus, author
A Mentor Books, 1963
Buku Teks
Cunliffe, Marcus, author
A Mentor Books, 1960
Buku Teks