Annels, A. E. (1991). Mineral deposit evaluation: A practical approach (1a. ed.). Chapman and Hall.
Cita Chicago (17th ed.)Annels, Alwyn E. Mineral Deposit Evaluation: A Practical Approach. 1a. ed. Londres: Chapman and Hall, 1991.
Cita MLA (9th ed.)Annels, Alwyn E. Mineral Deposit Evaluation: A Practical Approach. 1a. ed. Chapman and Hall, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.