APA Style
Lipsey, Richard G., Steiner, Peter O., Purvis, Douglas D.. ().
.
:
.
Chicago Style
Lipsey, Richard G., Steiner, Peter O., Purvis, Douglas D..
.
:
,
.
.
MLA Style
Lipsey, Richard G., Steiner, Peter O., Purvis, Douglas D..
.
:
,
.
.
Turabian Style
Lipsey, Richard G., Steiner, Peter O., Purvis, Douglas D..
.
:
,
.
.