(1968). Tongre, Notre-Dame. Gerard & Co.
Chicago Style aipamenaTongre, Notre-Dame. Verviers, Belgium: Gerard & Co, 1968.
MLA aipamenaTongre, Notre-Dame. Gerard & Co, 1968.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.
(1968). Tongre, Notre-Dame. Gerard & Co.
Chicago Style aipamenaTongre, Notre-Dame. Verviers, Belgium: Gerard & Co, 1968.
MLA aipamenaTongre, Notre-Dame. Gerard & Co, 1968.