Cita APA (7th ed.)
Gudas, J., Joyce, J., & Hackett, E. (1990). Fracture mechanics: Twenty- first symposium. ASTM.
Cita Chicago (17th ed.)
Gudas, J.P, J.A Joyce, i E.M Hackett. Fracture Mechanics: Twenty- First Symposium. Philadelphia, United State: ASTM, 1990.
Cita MLA (9th ed.)
Gudas, J.P, et al. Fracture Mechanics: Twenty- First Symposium. ASTM, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.