by Martin Agronsky ... [et.al.]
Simon and Schuster, 1961
Buku Teks SO
Strober, Gerald S.
Harper Perennial, 1994
Buku Teks SO
Koster, Ben
Anthos, 1991
Buku Teks
Schlesinger, Arthur Meier
Fawcett Publications, 1965
Buku Teks SO
Southeast Asia Development Advisory Group of the Asia Society, 1970
Buku Teks SO