World Conference on Earthquake Engineering, 4th, Santiago de Chile, 1969, & Chilean Association on Seismology and Earthquake Engineering. (1969). Proccedings. s.n.
Παραπομπή σε μορφή Chicago (17η εκδ.)World Conference on Earthquake Engineering, 4th, Santiago de Chile, 1969, και Chilean Association on Seismology and Earthquake Engineering. Proccedings. Santiago, Chile: s.n, 1969.
Παραπομπή σε μορφή MLA (9th εκδ.)World Conference on Earthquake Engineering, 4th, Santiago de Chile, 1969, και Chilean Association on Seismology and Earthquake Engineering. Proccedings. s.n, 1969.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.