APA Style
Rangkuti-Hasibuan,Sofia. (1999).
English for Specific Purposes: LAW (Revisi).
Jakarta:
Djambatan.
Chicago Style
Rangkuti-Hasibuan,Sofia.
English for Specific Purposes: LAW.
Revisi
Jakarta:
Djambatan,
1999.
Text.
MLA Style
Rangkuti-Hasibuan,Sofia.
English for Specific Purposes: LAW.
Revisi
Jakarta:
Djambatan,
1999.
Text.
Turabian Style
Rangkuti-Hasibuan,Sofia.
English for Specific Purposes: LAW.
Revisi
Jakarta:
Djambatan,
1999.
Print.