APA Style
Question and answer : graded oral comprehension ex. (1980).
Jakarta:
Kanisius.
Chicago Style
Question and answer : graded oral comprehension ex.
new edition.
Jakarta:
Kanisius,
1980.
.
MLA Style
Question and answer : graded oral comprehension ex.
new edition.
Jakarta:
Kanisius,
1980.
.
Turabian Style
Question and answer : graded oral comprehension ex.
Jakarta:
Kanisius,
1980.
.