APA-viite

productivity Services International. (1971). Handbook of 100 new small industry schemes part II. Productivity services international.

Chicago-tyylinen lähdeviittaus

productivity Services International. Handbook of 100 New Small Industry Schemes Part II. Bombay: Productivity services international, 1971.

MLA-viite

productivity Services International. Handbook of 100 New Small Industry Schemes Part II. Productivity services international, 1971.