edited by Mildred F. Schamertz
McGraw-Hill, 1972
Buku Teks
edited by Mildred F. Schmertz
McGraw-Hill, 1972
Buku Referensi
Yudha Kartika, author
Fakultas Teknik Universitas Indonesia, 2013
UI - Tesis (Membership)
Ojeda, Oscar Riera, author
Rockport Publishers, 1997
Buku Referensi
Sinaga, Alfred Utomo, author
2019
UI - Skripsi (Membership)