APA Style
Young, R.. (1989).
Workout Economics A level (_).
:
Mc Millan Education.
Chicago Style
Young, R..
Workout Economics A level.
_
:
Mc Millan Education,
1989.
.
MLA Style
Young, R..
Workout Economics A level.
_
:
Mc Millan Education,
1989.
.
Turabian Style
Young, R..
Workout Economics A level.
_
:
Mc Millan Education,
1989.
.