APA

Senn(Alfred), . (1974). Collins Cortina Russian In 20 Lessons With Illustrations. : .

Chicago

Senn(Alfred), . 1974. Collins Cortina Russian In 20 Lessons With Illustrations. : .

Harvard

Senn(Alfred), . (1974). Collins Cortina Russian In 20 Lessons With Illustrations. : .

MLA

Senn(Alfred), . Collins Cortina Russian In 20 Lessons With Illustrations. : . 1974.