Departemen Koperasi
Departemen Koperasi, 1985
Buku Teks
Departemen Koperasi, 1984
Buku Teks
penyusun, Bayu Krisnamurthi ... [et al.]
LSP2I , 1991
Buku Teks
This Bookler is reprinted and distributed by The Missouri Institute of Cooperatives
American Institute of Cooperation , 1983
Buku Teks
Jakarta: Rineka Cipta, 1992,
Buku Referensi