Gaya APA
Kurnianingrat, ., Rudolph, N, H. (1973).
Practical Conversations (A Guide to English Use) .
Jakarta:
Pustaka Masa.
Gaya MLA
Kurnianingrat, ., Rudolph, Ny., Harumani.
"Practical Conversations (A Guide to English Use)".
Jakarta:
Pustaka Masa,
1973.
Text.