Gaya APA
A Rapid Course In English For Students Of Econmomics
.
(1973).
Jagakarsa-Jakarta Selatan:
Muassasah Ar-Risalah.
Gaya MLA
A Rapid Course In English For Students Of Econmomics
.
.
Jagakarsa-Jakarta Selatan:
Muassasah Ar-Risalah,
1973.
Text.