Tavistock Publications, 1987
Buku Referensi
edited by S. Flugge
Springer-Verlag, 1957
Buku Referensi
Ferguson, John Alexander, author
National Library of Australia, 1975
Buku Referensi
Ferguson, John Alexander, author
National Library of Australia, 1977
Buku Referensi
Ferguson, John Alexander, author
National Library of Australia, 1977
Buku Referensi