APA Style
Lewis, Gregory. (1974).
Taktik menetapkan harga (Pricing for profit) .
:
.
Chicago Style
Lewis, Gregory.
Taktik menetapkan harga (Pricing for profit).
:
,
1974.
.
MLA Style
Lewis, Gregory.
Taktik menetapkan harga (Pricing for profit).
:
,
1974.
.
Turabian Style
Lewis, Gregory.
Taktik menetapkan harga (Pricing for profit).
:
,
1974.
.