APA Alıntı

US department of health. (1955). Educational objectives in vocational agriculture (1.). U S department of health education and welfare.

Chicago Stili Alıntı

US department of health. Educational Objectives in Vocational Agriculture. 1. : U S department of health education and welfare, 1955.

MLA Alıntı

US department of health. Educational Objectives in Vocational Agriculture. 1. U S department of health education and welfare, 1955.