APA
XCOMS International, . (1990). Crosstrade Europe '90. Electronic data interchange and dangerous goods. Conference, Milan, Italy 25-26 October 1990. Papers (version 1). 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 1). 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 1). Milano: XCOMS International.
MLA
XCOMS International, . Crosstrade Europe '90. Electronic data interchange and dangerous goods. Conference, Milan, Italy 25-26 October 1990. Papers (version 1). Milano: XCOMS International. 1990.