Gaya APA
Engels, F. (2004).
The origin of the family, private property and the state. Introduction by Pat Brewer. .
Chippendale:
Chippendale Resistance Books.
Gaya MLA
Engels, Frederick.
"The origin of the family, private property and the state. Introduction by Pat Brewer. ".
Chippendale:
Chippendale Resistance Books,
2004.
Buku.