APA

Phillppakis (A.S) ;Kazmier (Leonard J), .New Cobal.An Illustrated Guide. : .

Chicago

Phillppakis (A.S) ;Kazmier (Leonard J), .New Cobal.An Illustrated Guide. : .

Harvard

Phillppakis (A.S) ;Kazmier (Leonard J), .New Cobal.An Illustrated Guide. : .

MLA

Phillppakis (A.S) ;Kazmier (Leonard J), .: . .