Cita APA (7th ed.)

Perfecto, I. T., & Juan, E. D. (1998). Technical writing for the working world. The Authorn].

Cita Chicago (17th ed.)

Perfecto, Isidoro T., i Evelyn D. Juan. Technical Writing for the Working World. [S.l: The Authorn], 1998.

Cita MLA (9th ed.)

Perfecto, Isidoro T., i Evelyn D. Juan. Technical Writing for the Working World. The Authorn], 1998.