Exton, J. (1979). Pliensbachian and Toarcian microfauna of Zambujal, Portugal: Systematic paleontology. Carleton University, Dept. of Geology.
Citazione stile Chigago Style (17a edizione)Exton, John. Pliensbachian and Toarcian Microfauna of Zambujal, Portugal: Systematic Paleontology. Ottawa: Carleton University, Dept. of Geology, 1979.
Citatione MLA (8a ed.)Exton, John. Pliensbachian and Toarcian Microfauna of Zambujal, Portugal: Systematic Paleontology. Carleton University, Dept. of Geology, 1979.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.