Gaya APA

Ulivi, P., Harland, D, M. (2009). Robotic Exploration of the Solar System Part 2: Hiatus and Renewal 1983-1996 (-). Berlin: Praxis Publishing.

Gaya MLA

Ulivi, Paolo., Harland, David, M.. "Robotic Exploration of the Solar System Part 2: Hiatus and Renewal 1983-1996". - Berlin: Praxis Publishing, 2009. Text.