APA

British Standard. BS 1377: Part 7: 1990, . (1990). British standard methods of test for soils for civil engineering purposes. Part 7. London: British Standard. BS 1377: Part 7: 1990.

Chicago

British Standard. BS 1377: Part 7: 1990, . 1990. British standard methods of test for soils for civil engineering purposes. Part 7. London: British Standard. BS 1377: Part 7: 1990.

Harvard

British Standard. BS 1377: Part 7: 1990, . (1990). British standard methods of test for soils for civil engineering purposes. Part 7. London: British Standard. BS 1377: Part 7: 1990.

MLA

British Standard. BS 1377: Part 7: 1990, . British standard methods of test for soils for civil engineering purposes. Part 7. London: British Standard. BS 1377: Part 7: 1990. 1990.