Gaya APA

ASTM., . (1978). 1978 annual book of ASTM standard part 41. General test methods, nonmetal; statistical methods;space simulation; particle size measurement; General laboratory apparatus; durability of nonmetallic materials; Metric Practice. (1978). : ASTM., Philadelphia.

Gaya MLA

ASTM., . "1978 annual book of ASTM standard part 41. General test methods, nonmetal; statistical methods;space simulation; particle size measurement; General laboratory apparatus; durability of nonmetallic materials; Metric Practice.". 1978 : ASTM., Philadelphia, 1978. Text.