Gaya APA

Matrials, A, S, F, T, A. (1974). 1974 Annual Book of ASTM Standards Part 30 . Maryland: American Society for Testing & Materials.

Gaya MLA

Matrials, American, Society, For, Testing, And. "1974 Annual Book of ASTM Standards Part 30". Maryland: American Society for Testing & Materials, 1974. Text.