Gaya APA
Burns, J, M. et al
(1989).
Government by the people
(
30th ed)
.
Englewood Cliffs, NJ:
Prentice-Hall.
Gaya MLA
Burns, James, MacGregor. et al.
"Government by the people".
30th ed
Englewood Cliffs, NJ:
Prentice-Hall,
1989.
Text.