Kennedy, W. (1993). Campanian and Maastrichtian ammonites from the Mons Basin and adjacent areas (Belgium).
Citazione stile Chigago Style (17a edizione)Kennedy, W. Campanian and Maastrichtian Ammonites from the Mons Basin and Adjacent Areas (Belgium). 1993.
Citatione MLA (9a ed.)Kennedy, W. Campanian and Maastrichtian Ammonites from the Mons Basin and Adjacent Areas (Belgium). 1993.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.