APA

XCOMS International, . (1990). Crosstrade Europe '90. Electronic data interchange and dangerous goods. Conference, Milan, Italy 25-26 October 1990. Papers (version 2). Milano: XCOMS International.

Chicago

XCOMS International, . 1990. Crosstrade Europe '90. Electronic data interchange and dangerous goods. Conference, Milan, Italy 25-26 October 1990. Papers (version 2). Milano: XCOMS International.

Harvard

XCOMS International, . (1990). Crosstrade Europe '90. Electronic data interchange and dangerous goods. Conference, Milan, Italy 25-26 October 1990. Papers (version 2). Milano: XCOMS International.

MLA

XCOMS International, . Crosstrade Europe '90. Electronic data interchange and dangerous goods. Conference, Milan, Italy 25-26 October 1990. Papers (version 2). Milano: XCOMS International. 1990.