Santonja, J. T. i. (2003). Stratigraphy and Palaeontology in the mid-20th century at the University of Barcelona. Universitat de Barcelona.
Cita Chicago Style (17a ed.)Santonja, J. Truyols i. Stratigraphy and Palaeontology in the Mid-20th Century at the University of Barcelona. Universitat de Barcelona, 2003.
Cita MLA (9a ed.)Santonja, J. Truyols i. Stratigraphy and Palaeontology in the Mid-20th Century at the University of Barcelona. Universitat de Barcelona, 2003.
Precaución: Estas citas no son 100% exactas.