Friedl, Alfred E
      
      
         McGraw-Hill, 2001
       Buku Teks
   
Kelly, Francis J.
      
      
         Warner Book, 1986.
       Buku Teks SO
   
      
      
         McGraw-Hill Book Company, Inc., 1954
       Buku Teks
   
Erlinda Muslim
      
      
         Fakultas Teknik Universitas Indonesia, 2014
       UI - Laporan Penelitian
   
Prima Yuri Perwita
      
      
         Fakultas Kedokteran Universitas Indonesia, 2022
       UI - Tesis Membership