Tohutoro APA (7th ed.)

Ingham, W. (1990). 30 Squadron & Servicing Unit RNZAF: A record of service. W. Ingham.

Tohutoru Chicago (17th ed.)

Ingham, Wally. 30 Squadron & Servicing Unit RNZAF: A Record of Service. Auckland [N.Z.]: W. Ingham, 1990.

Tohutoro MLA (8th ed.)

Ingham, Wally. 30 Squadron & Servicing Unit RNZAF: A Record of Service. W. Ingham, 1990.