Gaya APA
Putra, S, P. (1999).
Linguistics handicaps in english language teaching .
Malang:
Universitas Merdeka Malang.
Gaya MLA
Putra, Suatmo, Pantja.
"Linguistics handicaps in english language teaching".
Malang:
Universitas Merdeka Malang,
1999.
Text.