Cita APA (7th ed.)

Smith, R. C., & Andres, C. K. (1993). Principles and practice of heavy construction (4th ed.). Prentice-Hall.

Cita Chicago (17th ed.)

Smith, Ronald C., i Cameron K. Andres. Principles and Practice of Heavy Construction. 4th ed. Englewood Cliffs, NJ: Prentice-Hall, 1993.

Cita MLA (8th ed.)

Smith, Ronald C., i Cameron K. Andres. Principles and Practice of Heavy Construction. 4th ed. Prentice-Hall, 1993.