Gale, A., Jenkyns, H., Kennedy, W., & Corfield, R. (1993). CHEMOSTRATIGRAPHY VERSUS BIOSTRATIGRAPHY - DATA FROM AROUND THE CENOMANIAN-TURONIAN BOUNDARY.
Chicago-referens (17:e uppl.)Gale, A., H. Jenkyns, W. Kennedy, och R. Corfield. CHEMOSTRATIGRAPHY VERSUS BIOSTRATIGRAPHY - DATA FROM AROUND THE CENOMANIAN-TURONIAN BOUNDARY. 1993.
MLA-referens (9:e uppl.)Gale, A., et al. CHEMOSTRATIGRAPHY VERSUS BIOSTRATIGRAPHY - DATA FROM AROUND THE CENOMANIAN-TURONIAN BOUNDARY. 1993.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.