Wallace, Robert, author
Time-Life Books, 1967
Buku Teks
Remington, Thomas F., 1948-, author
Pearson Longman, 2012
Buku Teks
Riasanovsky, Nicholas V., author
Oxford University Press, 1963
Buku Teks
Riasanovsky, Nicholas V., author
Oxford University Press, 2011
Buku Teks
Gloria Moure, editor ; Terence Riley, foreword
Poligrafa, 2000
Buku Teks