Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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