Gaya APA
Sudiran, R, L, D, E, A.
(2019).
English Speaking for Informal Interaction
.
Malang:
UMM Press.
Gaya MLA
Sudiran, Riski, Lestiono,, Dan, Erlyna, Abidasari.
"English Speaking for Informal Interaction".
Malang:
UMM Press,
2019.
Text.