Pakpahan, Normin S.
Elips, 1994
Buku Teks
GIZ-Supported Project Implementation of Competition Law (ICL)
Cicods FH-UGM, 2009
Buku Teks
Manulang, Sendjun H.
Rineka Cipta, 1987
Buku Teks
Zainal Asikin
Rajawali, 1995
Buku Teks
Christine S.T. Kansil
Ind-Hill, 1986
Buku Teks