Schumacher, E.F. (Ernst Friedrich), author
LP3ES, 1985
Buku Teks
Soemitro Djojohadikusumo, author
Yayasan Penyuluh Penerangan Perdagangan, 1972
Buku Teks
Gage Educational Publishing Limited, 1976
Buku Teks
Forbis, William H.
Charles E.Tuttle, 1981
Buku Teks
Walujo, Imam
LEPPENAS, 1980
Buku Teks