Cita APA

Delp, P. 1., & Delp, P. 1. (1977). Systems tools for project planning. United States of America: Pasitam.

Citación estilo Chicago

Delp, Peter 1944-, y Peter 1944- Delp. Systems Tools for Project Planning. United States of America: Pasitam, 1977.

Cita MLA

Delp, Peter 1944-, y Peter 1944- Delp. Systems Tools for Project Planning. United States of America: Pasitam, 1977.