Gaya APA
Guardini, R. (1965).
The world and the person, transl. by S.Lange. : Welt und Person, 1939. .
Chicago:
HRegnery.
Gaya MLA
Guardini, R..
"The world and the person, transl. by S.Lange. : Welt und Person, 1939. ".
Chicago:
HRegnery,
1965.
Buku.