APA (7e ed.) Bronvermelding

(1977). Guidelines for evaluating the seismic resistance of existing buildings / by John M. Lybas.

Chicago (17e ed.) Bronvermelding

Guidelines for Evaluating the Seismic Resistance of Existing Buildings / by John M. Lybas. 1977.

MLA (9e ed.) Bronvermelding

Guidelines for Evaluating the Seismic Resistance of Existing Buildings / by John M. Lybas. 1977.

Let op: Deze citaties zijn niet altijd 100% accuraat.