APA

British Standard. BS 6906: Part 1: 1987, . (1987). Geotextiles. Part 1. London: British Standard. BS 6906: Part 1: 1987.

Chicago

British Standard. BS 6906: Part 1: 1987, . 1987. Geotextiles. Part 1. London: British Standard. BS 6906: Part 1: 1987.

Harvard

British Standard. BS 6906: Part 1: 1987, . (1987). Geotextiles. Part 1. London: British Standard. BS 6906: Part 1: 1987.

MLA

British Standard. BS 6906: Part 1: 1987, . Geotextiles. Part 1. London: British Standard. BS 6906: Part 1: 1987. 1987.