Mackenzie, Kenneth
Angus and Roberson Publishers, 1969
Koleksi Publik
Jones, Evan
Oxford University Press, 1969
Buku Teks
Pohlman, Annie, author
Routledge, Taylor & Francis Group, 2015
Buku Teks
Clark, Wilfrid E. Le Gros, author
Holt, Rinehart and Winston, 1967
Buku Teks
Taylor-Jones, Kate E., author
Wallflower Press, 2013
Buku Teks