APA Style
Riyadi, Slamet. (1981).
Widyaparwa, Nomor 19, 1981 .
Yogyakarta:
Balai Penelitian Bahasa.
Chicago Style
Riyadi, Slamet.
Widyaparwa, Nomor 19, 1981.
Yogyakarta:
Balai Penelitian Bahasa,
1981.
Text.
MLA Style
Riyadi, Slamet.
Widyaparwa, Nomor 19, 1981.
Yogyakarta:
Balai Penelitian Bahasa,
1981.
Text.
Turabian Style
Riyadi, Slamet.
Widyaparwa, Nomor 19, 1981.
Yogyakarta:
Balai Penelitian Bahasa,
1981.
Print.