Kennedy, W. (1993). Campanian and Maastrichtian ammonites from the Mons Basin and adjacent areas (Belgium).
Cita Chicago (17th ed.)Kennedy, W. Campanian and Maastrichtian Ammonites from the Mons Basin and Adjacent Areas (Belgium). 1993.
Cita MLA (9th ed.)Kennedy, W. Campanian and Maastrichtian Ammonites from the Mons Basin and Adjacent Areas (Belgium). 1993.
Atenció: Aquestes cites poden no estar 100% correctes.