Smith, Ella Thea, author
Harcourt, Brace & World, 1959
Buku Teks
Johnson, George B., author
McGraw-Hill, Higher Education, 2008
Buku Teks
Johnson, George B., author
McGraw-Hill, 2003
Buku Teks
Johnson, George B., author
McGraw-Hill, 2012
Buku Teks
Johnson, George B., author
McGraw-Hill, 2018
Buku Teks