Cita APA (7a ed.)

Wallach, P. I., & Helper, D. E. Reading construction drawings (2nd ed.).

Cita Chicago Style (17a ed.)

Wallach, Paul I., y Donald E. Helper. Reading Construction Drawings. 2nd ed.

Cita MLA (9a ed.)

Wallach, Paul I., y Donald E. Helper. Reading Construction Drawings. 2nd ed.