Bogg, Daisy, author
McGraw-Hill, 2012
Buku Teks
Sklare, Arnold B., author
McGraw-Hill, 1964
Buku Teks
Waldo, Willis H., author
Van Nostrand Reinhold, 1960
Koleksi Publik
Lesikar, Raymond V. (Raymond Vincent), author
Irwin, 1995
Buku Teks
Lesikar, Raymond V. (Raymond Vincent), author
R.D. Irwin, 1965
Koleksi Publik