by Sei H. Dt. Tombak Alam $13.00
by Collin Mclver $9.00
by Bruce Herrick dan Charles P. Kindleberger $12.00
by Richard G. Lipsey., dkk $16.00
by Ir. Sarjoni Basri $7.00
by I Wayan Sudiarsa, M.Si $7.00
by Sofjan Assauri $11.00