Diamond Industrial Bulletin = Diamantnywerheidsbulletin.

MLA

Diamond Industrial Bulletin = Diamantnywerheidsbulletin. Johannesburg: J.W. Hurter, 1952.

APA

(1952). Diamond Industrial Bulletin = Diamantnywerheidsbulletin. Johannesburg: J.W. Hurter.

Chicago

Diamond Industrial Bulletin = Diamantnywerheidsbulletin. Johannesburg: J.W. Hurter, 1952.