edited by Marcello A. Canuto and Jason Yaeger
Routledge, 2000
Buku Teks
by Amilcar O. Herrera ... [et al.]
International Development Research Centre, 1976
Buku Teks
Beiser, Arthur, author
McGraw-Hill, 1988
Buku Teks
Carr, Herman Y., author
McGraw-Hill, 1971
Buku Teks
Giancoli, Douglas C., author
Prentice-Hall, 1991
Buku Teks