South African Committee for Stratigraphy. Lithostratigraphic series. South African Committee for Stratigraphy.
Citazione stile Chigago Style (17a edizione)South African Committee for Stratigraphy. Lithostratigraphic Series. Pretoria: South African Committee for Stratigraphy.
Citatione MLA (8a ed.)South African Committee for Stratigraphy. Lithostratigraphic Series. South African Committee for Stratigraphy.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.