Christopher, J. E. (1967). The middle Jurassic Shaunavon formation of southwestern Saskatchewan: Lithologic descriptions of selected cored sections. Lawrence Amon.
Chicago-Zitierstil (17. Ausg.)Christopher, James E. The Middle Jurassic Shaunavon Formation of Southwestern Saskatchewan: Lithologic Descriptions of Selected Cored Sections. Regina: Lawrence Amon, 1967.
MLA-Zitierstil (9. Ausg.)Christopher, James E. The Middle Jurassic Shaunavon Formation of Southwestern Saskatchewan: Lithologic Descriptions of Selected Cored Sections. Lawrence Amon, 1967.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.