RANGKUTI, H. S. (1995). English For Specific Purpose Law Sofia Rangkuti Hasibuan. Gramedia.
Chicagoスタイル(17版)引用形式RANGKUTI, Hasibuan Sofia. English For Specific Purpose Law Sofia Rangkuti Hasibuan. Gramedia, 1995.
MLA(8版)引用形式RANGKUTI, Hasibuan Sofia. English For Specific Purpose Law Sofia Rangkuti Hasibuan. Gramedia, 1995.
警告: この引用は必ずしも正確ではありません.