APA

British Standard 0812:1975:1, . (1975). Methods for sampling and testing of mineral aggregates, sands and fillers. Part 1. Sampling, size, shape and classification. London: British Standard 0812:1975:1.

Chicago

British Standard 0812:1975:1, . 1975. Methods for sampling and testing of mineral aggregates, sands and fillers. Part 1. Sampling, size, shape and classification. London: British Standard 0812:1975:1.

Harvard

British Standard 0812:1975:1, . (1975). Methods for sampling and testing of mineral aggregates, sands and fillers. Part 1. Sampling, size, shape and classification. London: British Standard 0812:1975:1.

MLA

British Standard 0812:1975:1, . Methods for sampling and testing of mineral aggregates, sands and fillers. Part 1. Sampling, size, shape and classification. London: British Standard 0812:1975:1. 1975.