Riahi-Belkaoui, Ahmed, 1943-, author
Quorum Books, 1988
Buku Teks
Hannah Lewi, Wally Smith, Dirk Vom Lehn and Steven Cooke
Routledge, 2020
Buku Teks
Horn, Paul V., author
Prentice-Hall, 1959
Buku Teks
Horn, Paul V., author
Prentice-Hall, 1955
Buku Teks
Horn, Paul V., author
Prentice-Hall, 1959
Buku Teks