Krumhansl, Carol L.
Cognitive foundations of musical pitch
Oxford University Press , 1990
 Buku Referensi
Arif Febriyani
Perancangan dan Analisis Sistem Hidrolik pada Controllable Pitch Propeller = Design and Analysis of Hydraulic System on Controllable Pitch Propeller
Fakultas Teknik Universitas Indonesia, 2015
 UI - Skripsi Membership
Metode pemilihan bahan isian: pada menara distilasi vacum fuels pitch
Fakultas Teknik Universitas Indonesia, 1997
 UI - Skripsi Membership
Perancangan awal kolom distilasi vakum fuels pitch berisi random packing
Fakultas Teknik Universitas Indonesia, 1997
 UI - Skripsi Membership
Klaff, Oren
Pitch anything : an innovative method for presenting, persuading and winning the deal
McGraw-Hill, 2011
 Buku Teks SO