APA

Weston J F, . (1977). Guide to international ficial management. NY: NY, McGraw-Hill.

Chicago

Weston J F, . 1977. Guide to international ficial management. NY: NY, McGraw-Hill.

Harvard

Weston J F, . (1977). Guide to international ficial management. NY: NY, McGraw-Hill.

MLA

Weston J F, . Guide to international ficial management. NY: NY, McGraw-Hill. 1977.