Gaya APA
May, R.
(-1972).
Love and will, (repr.). - Fontana, 285L. Cet.pertama 1969.
.
(London):
Collins.
Gaya MLA
May, Rollo..
"Love and will, (repr.). - Fontana, 285L. Cet.pertama 1969. ".
(London):
Collins,
-1972.
Buku.