Gaya APA
Hardjono, R., Widyamartaja, A. (1973).
LEANER'S DICTIONARY ENGLISH - INDONESIA 6.000 ENTRIES .
Yogyakart21a:
Kanisius.
Gaya MLA
Hardjono, R.., Widyamartaja, A..
"LEANER'S DICTIONARY ENGLISH - INDONESIA 6.000 ENTRIES".
Yogyakart21a:
Kanisius,
1973.
Text.