Learned, Edmund P. (Edmund Philip), 1900-1991, author
Harvard University Press, 1951
Buku Teks
Learned, Edmund P. (Edmund Philip), 1900-1991, author
Andover Press, 1957
Buku Teks
Huffman, Karen, author
John Wiley & Sons, 1997
Buku Teks
Huffman, Karen, author
John Wiley & Sons, 1994
Buku Teks
Korgen, Kathleen Odell, author
Sage, 2019
Buku Teks