Gaya APA
ALEXANDER, L, G.
(1977).
QUESTION AND ANSWER GRADED ORAL COMPREHENSION EXERCISE
.
YOGYAKARTA:
LONGMAN.
Gaya MLA
ALEXANDER, L, G.
"QUESTION AND ANSWER GRADED ORAL COMPREHENSION EXERCISE".
YOGYAKARTA:
LONGMAN,
1977.
Prodi S1 Sastra Inggris.