APA

Sosdian C. P., National Institute of Education U.S, . (1978). External degrees : program and student characteristics. Washington: U.S. Dept. of Health, Education and Welfare, National Institute of Education.

Chicago

Sosdian Carol P, National Institute of Education U.S, . 1978. External degrees : program and student characteristics. Washington: U.S. Dept. of Health, Education and Welfare, National Institute of Education.

Harvard

Sosdian C. P., National Institute of Education U.S, . (1978). External degrees : program and student characteristics. Washington: U.S. Dept. of Health, Education and Welfare, National Institute of Education.

MLA

Sosdian Carol P, National Institute of Education U.S, . External degrees : program and student characteristics. Washington: U.S. Dept. of Health, Education and Welfare, National Institute of Education. 1978.