Gaya APA

Mortl, . et al (1979). Developments in sendimentology 27 : International clay conference 1978 (1979). : New York : Elsevier scientific Pub.Co.,.

Gaya MLA

Mortl, . et al. "Developments in sendimentology 27 : International clay conference 1978". 1979 : New York : Elsevier scientific Pub.Co.,, 1979. Text.