(1989). GRASS hardware configurations guide / Douglas Brooks, Michael Higgins, Mark Johnson.
Cita Chicago (17th ed.)GRASS Hardware Configurations Guide / Douglas Brooks, Michael Higgins, Mark Johnson. 1989.
Cita MLA (9th ed.)GRASS Hardware Configurations Guide / Douglas Brooks, Michael Higgins, Mark Johnson. 1989.
Atenció: Aquestes cites poden no estar 100% correctes.