Zulkarnain & ZULKARNAIN [ed.]. (1992). Petunjuk praktis berbahasa Indonesia. Depdikbud.
Chicago Style (17th ed.) CitationZulkarnain and ZULKARNAIN [ed.]. Petunjuk Praktis Berbahasa Indonesia. Jakarta: Depdikbud, 1992.
MLA (9th ed.) CitationZulkarnain and ZULKARNAIN [ed.]. Petunjuk Praktis Berbahasa Indonesia. Depdikbud, 1992.
Warning: These citations may not always be 100% accurate.