edited by Norman and Ngaire Douglas
Angus & Robertson, 1989
Buku Referensi
[Canberra] Angus & Robertson 1989,
Buku Referensi
Daniel, Hawthorne, author
G.P. Putnam's Sons , 1943
Buku Teks
Oliver, Douglas L., author
Harvard University Press, 1951
Buku Teks
Oliver, Douglas L., author
Harvard University Press, 1958.
Buku Teks