APA Style
Nell, W.T.. ().
Performance, fuel sonsumption and repair costs of tractore in the North-Western free state .
Pretoria:
Dept. of Agricultural Economics and Marketing.
Chicago Style
Nell, W.T..
Performance, fuel sonsumption and repair costs of tractore in the North-Western free state.
Pretoria:
Dept. of Agricultural Economics and Marketing,
.
Hard Copy.
MLA Style
Nell, W.T..
Performance, fuel sonsumption and repair costs of tractore in the North-Western free state.
Pretoria:
Dept. of Agricultural Economics and Marketing,
.
Hard Copy.
Turabian Style
Nell, W.T..
Performance, fuel sonsumption and repair costs of tractore in the North-Western free state.
Pretoria:
Dept. of Agricultural Economics and Marketing,
.
Hard Copy.