Gaya APA
Levine, C.
(1979).
The 1979 Dow Jones- Irwin Business Almanac Dow
(
5)
.
USA:
Dow Jones-Irwin.
Gaya MLA
Levine, Caroline.
"The 1979 Dow Jones- Irwin Business Almanac Dow".
5
USA:
Dow Jones-Irwin,
1979.
.