Makuya et al. 1990

Makuya and N., T. and Wentzel and Johannes, Petrus and Ziervogel, Dirk. 1990. A handbook of the Venda language. Pretoria: University of South Africa.; Poulos, George. 1990. A linguistic analysis of Venda. Pretoria: VIA Afrika Ltd.

@misc{9500,
  author = {Makuya and N., T. and Wentzel and Johannes, Petrus and Ziervogel, Dirk},
  title  = {A handbook of the Venda language. Pretoria: University of South Africa.; Poulos, George. 1990. A linguistic analysis of Venda. Pretoria: VIA Afrika Ltd.},
  year   = {1990}
}