Gaya APA

Clausen, Staerke J., Knudsen, A.. (2009). SP 261-19 Nondestructive Testing of Bridge Decks and Tunnel Linings Using Impulse-Response . USA: American Concrete Institute.

Gaya Chicago

Clausen, Staerke J., Knudsen, A.. SP 261-19 Nondestructive Testing of Bridge Decks and Tunnel Linings Using Impulse-Response. USA: American Concrete Institute, 2009. Text.

Gaya MLA

Clausen, Staerke J., Knudsen, A.. SP 261-19 Nondestructive Testing of Bridge Decks and Tunnel Linings Using Impulse-Response. USA: American Concrete Institute, 2009. Text.

Gaya Turabian

Clausen, Staerke J., Knudsen, A.. SP 261-19 Nondestructive Testing of Bridge Decks and Tunnel Linings Using Impulse-Response. USA: American Concrete Institute, 2009. Print.