Gaya APA
Wolff, J, U, &, P, S. (1982).
Communicative codes in Central Java. Linguistics Series, 08 .
Ithaca:
Ithaca Southeast Asia Program - Cornell University.
Gaya MLA
Wolff, John, U., &, Poedjosoedarmo,, Soepomo.
"Communicative codes in Central Java. Linguistics Series, 08".
Ithaca:
Ithaca Southeast Asia Program - Cornell University,
1982.
Buku.