(1969). Vatican museums-Rome. Paul Hamlyn.
Chicago Style aipamenaVatican Museums-Rome. London: Paul Hamlyn, 1969.
MLA aipamenaVatican Museums-Rome. Paul Hamlyn, 1969.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1969). Vatican museums-Rome. Paul Hamlyn.
Chicago Style aipamenaVatican Museums-Rome. London: Paul Hamlyn, 1969.
MLA aipamenaVatican Museums-Rome. Paul Hamlyn, 1969.