APA Style
Alexander, L.G. (1990).
Question and answer : graded oral comprehension exercises .
:
.
Chicago Style
Alexander, L.G.
Question and answer : graded oral comprehension exercises.
:
,
1990.
.
MLA Style
Alexander, L.G.
Question and answer : graded oral comprehension exercises.
:
,
1990.
.
Turabian Style
Alexander, L.G.
Question and answer : graded oral comprehension exercises.
:
,
1990.
.