APA

"Cisco Systems I., . (1998). Cisco Ios Wan Solutions. Ed 1. : .

Chicago

"Cisco Systems Inc", . 1998. Cisco Ios Wan Solutions. Ed 1. : .

Harvard

"Cisco Systems I., . (1998). Cisco Ios Wan Solutions. Ed 1. : .

MLA

"Cisco Systems Inc", . Cisco Ios Wan Solutions. Ed 1. : . 1998.