Gaya APA
Boxer, C. (-1973).
The Portuguese Seaborne Empire 1415-1825, (repr.). Cet.pertama 1969. .
(Harmondsworth):
Peguin.
Gaya MLA
Boxer, C.R..
"The Portuguese Seaborne Empire 1415-1825, (repr.). Cet.pertama 1969. ".
(Harmondsworth):
Peguin,
-1973.
Buku.