Gaya APA
Alexander, L, G. (1977).
Question And Answer:Graded Oral Comprehension Exercises .
Yogyakarta:
PENERBIT KANISIUS.
Gaya MLA
Alexander, L, G.
"Question And Answer:Graded Oral Comprehension Exercises".
Yogyakarta:
PENERBIT KANISIUS,
1977.
Text.