Kennedy, W., Cobban, W., & Landman, N. (2001). A revision of the turonian members of the ammonite subfamily collignoniceratinae from the United States western interior and gulf coast.
Citace podle Chicago (17th ed.)Kennedy, W., W. Cobban, a N. Landman. A Revision of the Turonian Members of the Ammonite Subfamily Collignoniceratinae from the United States Western Interior and Gulf Coast. 2001.
Citace podle MLA (9th ed.)Kennedy, W., et al. A Revision of the Turonian Members of the Ammonite Subfamily Collignoniceratinae from the United States Western Interior and Gulf Coast. 2001.
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