Gaya APA
Gardner, G, D. (1977).
Divorce in the United States: An historical study and practical commentary. Disertasi Angelicum. .
Roma:
tp.
Gaya MLA
Gardner, Glenn, Duff..
"Divorce in the United States: An historical study and practical commentary. Disertasi Angelicum. ".
Roma:
tp,
1977.
Buku.