Silva, M. R. d., & Laburu, C. E. (2000). From relativism in physics education to objectivism in physics. Universidade Federal do Rio Grande do Sul.
Čikaški stil citiranja (17. izdanje)Silva, Marcos Rodrigues da, i Carlos Eduardo Laburu. From Relativism in Physics Education to Objectivism in Physics. Universidade Federal do Rio Grande do Sul, 2000.
MLA način citiranja (9. izdanje)Silva, Marcos Rodrigues da, i Carlos Eduardo Laburu. From Relativism in Physics Education to Objectivism in Physics. Universidade Federal do Rio Grande do Sul, 2000.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.