Southern African Vexillological Association & Smith, H. H. (1993). Flags of the union defence forces and of the South African defence force, 1912 to 1993: By Professor Emeritus Hugh H. Smith. Southern African Vexillological Association.

Southern African Vexillological Association and Hugh H. Smith. Flags of the Union Defence Forces and of the South African Defence Force, 1912 to 1993: By Professor Emeritus Hugh H. Smith. Randburg: Southern African Vexillological Association, 1993.

Southern African Vexillological Association and Hugh H. Smith. Flags of the Union Defence Forces and of the South African Defence Force, 1912 to 1993: By Professor Emeritus Hugh H. Smith. Southern African Vexillological Association, 1993.