HOLLAND, P. (1990). Amazing models: Water Power. TAB Bokks.
Lua i Stíl Chicago (17ú heag.)HOLLAND, Peter. Amazing Models: Water Power. Blue Ridge Summit: TAB Bokks, 1990.
Lua MLA (9ú heag.)HOLLAND, Peter. Amazing Models: Water Power. TAB Bokks, 1990.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.