Cita APA (7a ed.)

(1998). Norma D 245.Standard practice for establishing structural grades and related allowable properties for visually graded lumber (1a. ed.). ASTM.

Cita Chicago Style (17a ed.)

Norma D 245.Standard Practice for Establishing Structural Grades and Related Allowable Properties for Visually Graded Lumber. 1a. ed. EEUU: ASTM, 1998.

Cita MLA (8a ed.)

Norma D 245.Standard Practice for Establishing Structural Grades and Related Allowable Properties for Visually Graded Lumber. 1a. ed. ASTM, 1998.