Παραπομπή APA

Higgins, D. A. (1979). Program design and construction. Prentice-Hall of India.

Παραπομπή Chicago Style

Higgins, David A. Program Design and Construction. New Jersey: Prentice-Hall of India, 1979.

Παραπομπή MLA

Higgins, David A. Program Design and Construction. Prentice-Hall of India, 1979.