Eadie, Edward N., autohr
[, Springer], 2012
eBooks
Spinage, Clive A., author
Springer, 2012
eBooks
Taylor, Weldon Johnson, 1908-, author
South-Western Publishing Company, 1961
Buku Teks
Buffaloe, Neal D., author
Prentice-Hall, 1968
Buku Teks
Alcock, John, author
Sinauer Associates, 1989
Buku Teks