APA
Worral W.E, . (1986). Clay and Ceramics Ras Materials. : London: Elsevier.
Chicago
Worral W.E, . 1986. Clay and Ceramics Ras Materials. : London: Elsevier.
Harvard
Worral W.E, . (1986). Clay and Ceramics Ras Materials. : London: Elsevier.
MLA
Worral W.E, . Clay and Ceramics Ras Materials. : London: Elsevier. 1986.