Cita APA (7th ed.)

Portland Cement Association. (1952). Forms for architectural concrete: Concrete for permanence ([3d ed.].). Portland Cmemnt Association.

Cita Chicago (17th ed.)

Portland Cement Association. Forms for Architectural Concrete: Concrete for Permanence. [3d ed.]. Chicago: Portland Cmemnt Association, 1952.

Cita MLA (8th ed.)

Portland Cement Association. Forms for Architectural Concrete: Concrete for Permanence. [3d ed.]. Portland Cmemnt Association, 1952.