Cita APA (7a ed.)

(1949). Experimental research on the resistance of external walls against rain penetration. s.n.].

Cita Chicago Style (17a ed.)

Experimental Research on the Resistance of External Walls Against Rain Penetration. [S.l.: s.n.], 1949.

Cita MLA (9a ed.)

Experimental Research on the Resistance of External Walls Against Rain Penetration. s.n.], 1949.