Dyfyniad APA

BLUME, J. A., & BLUME, J. A. (1980). Design Of Multistory Reinforced Concrete Buildings For Eartquakee Motions. Portland Cement Association.

Dyfyniad Arddull Chicago

BLUME, John A., and John A. BLUME. Design Of Multistory Reinforced Concrete Buildings For Eartquakee Motions. Portland Cement Association, 1980.

Dyfyniad MLA

BLUME, John A., and John A. BLUME. Design Of Multistory Reinforced Concrete Buildings For Eartquakee Motions. Portland Cement Association, 1980.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.