Honaker, R. Q., & Forrest, W. R. (2003). Advances in gravity concentration (1a. ed.). SME.
Cita Chicago (17th ed.)Honaker, R. Q., i W. R. Forrest. Advances in Gravity Concentration. 1a. ed. Englewood Cliffs: SME, 2003.
Cita MLA (9th ed.)Honaker, R. Q., i W. R. Forrest. Advances in Gravity Concentration. 1a. ed. SME, 2003.
Atenció: Aquestes cites poden no estar 100% correctes.