Blumberg, A. (1972). Belgium and a Philippine protectorate: A stillborn pan. Asian Studies.
Chicago Style aipamenaBlumberg, Arnold. "Belgium and a Philippine Protectorate: A Stillborn Pan." Asian Studies 1972.
MLA aipamenaBlumberg, Arnold. "Belgium and a Philippine Protectorate: A Stillborn Pan." Asian Studies, 1972.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.