Maletz, J. (2005). The Early to Middle Ordovician graptolite faunal succession of the Trail Creek region, central Idaho, U.S.A. Universitat de Barcelona.
Citazione stile Chigago Style (17a edizione)Maletz, J. The Early to Middle Ordovician Graptolite Faunal Succession of the Trail Creek Region, Central Idaho, U.S.A. Universitat de Barcelona, 2005.
Citatione MLA (9a ed.)Maletz, J. The Early to Middle Ordovician Graptolite Faunal Succession of the Trail Creek Region, Central Idaho, U.S.A. Universitat de Barcelona, 2005.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.