Cita APA (7a ed.)

Germar, F. J. Detection of internal cracks on concrete using the impact-echo method.

Cita Chicago Style (17a ed.)

Germar, Fernando J. Detection of Internal Cracks on Concrete Using the Impact-echo Method.

Cita MLA (9a ed.)

Germar, Fernando J. Detection of Internal Cracks on Concrete Using the Impact-echo Method.