APA

CIMENTS -BETONS -PLTRES CHAUX, . (1990). SYLTRAD INTERNATIONAL S.A, INDUSTRIAL AND CENENT ENGINEERS. : .

Chicago

CIMENTS -BETONS -PLTRES CHAUX, . 1990. SYLTRAD INTERNATIONAL S.A, INDUSTRIAL AND CENENT ENGINEERS. : .

Harvard

CIMENTS -BETONS -PLTRES CHAUX, . (1990). SYLTRAD INTERNATIONAL S.A, INDUSTRIAL AND CENENT ENGINEERS. : .

MLA

CIMENTS -BETONS -PLTRES CHAUX, . SYLTRAD INTERNATIONAL S.A, INDUSTRIAL AND CENENT ENGINEERS. : . 1990.