APA

KOCHUGOPAN, . (1990). User Friendly Interface To The Unix System. : .

Chicago

KOCHUGOPAN, . 1990. User Friendly Interface To The Unix System. : .

Harvard

KOCHUGOPAN, . (1990). User Friendly Interface To The Unix System. : .

MLA

KOCHUGOPAN, . User Friendly Interface To The Unix System. : . 1990.