APA

Halfert E A, . (1972). Techniques of ficial analysis. Nd: Nd, Richard D Irwin.

Chicago

Halfert E A, . 1972. Techniques of ficial analysis. Nd: Nd, Richard D Irwin.

Harvard

Halfert E A, . (1972). Techniques of ficial analysis. Nd: Nd, Richard D Irwin.

MLA

Halfert E A, . Techniques of ficial analysis. Nd: Nd, Richard D Irwin. 1972.