APA

USA, . (19). Building materials and structures report. Washington: U.S. Cov. Print. Office.

Chicago

USA, . 19. Building materials and structures report. Washington: U.S. Cov. Print. Office.

Harvard

USA, . (19). Building materials and structures report. Washington: U.S. Cov. Print. Office.

MLA

USA, . Building materials and structures report. Washington: U.S. Cov. Print. Office. 19.