APA

Bernad F.Baker, . (1960). Practical Business Administration V.7. : .

Chicago

Bernad F.Baker, . 1960. Practical Business Administration V.7. : .

Harvard

Bernad F.Baker, . (1960). Practical Business Administration V.7. : .

MLA

Bernad F.Baker, . Practical Business Administration V.7. : . 1960.