APA

European Space Agency, . (1988). ESA WPP / European Space Agency. Paris: ESA.

Chicago

European Space Agency, . 1988. ESA WPP / European Space Agency. Paris: ESA.

Harvard

European Space Agency, . (1988). ESA WPP / European Space Agency. Paris: ESA.

MLA

European Space Agency, . ESA WPP / European Space Agency. Paris: ESA. 1988.