Phillips, J. (1991). Physical geology and palaeontology: Theoretical and practical. Aksoshdeep.
Cita Chicago (17th ed.)Phillips, John. Physical Geology and Palaeontology: Theoretical and Practical. New Delhi: Aksoshdeep, 1991.
Cita MLA (9th ed.)Phillips, John. Physical Geology and Palaeontology: Theoretical and Practical. Aksoshdeep, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.