Wright, V. (1984). David Lange, prime minister: A profile. Unwin Paperbacks with Port Nicholson Press.
Lua i Stíl Chicago (17ú heag.)Wright, Vernon. David Lange, Prime Minister: A Profile. Wellington: Unwin Paperbacks with Port Nicholson Press, 1984.
Lua MLA (9ú heag.)Wright, Vernon. David Lange, Prime Minister: A Profile. Unwin Paperbacks with Port Nicholson Press, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.