edited by Edwin H. Gaylord, Charles N. Gaylord
McGraw-Hill, 1968
Buku Referensi
American Society of Civil Engineers, 2018
Majalah, Jurnal, Buletin
Paz, Mario, author
Springer Nature, 2019
eBooks
Levi-Strauss, Claude, author
Penguin Books, 1977
Buku Teks
Biggs, John M., 1920-, author
McGraw-Hill , 1964
Buku Teks