Gaya APA
Engineers, T, I, O, E, A, E. (1991).
1991 Annual book of ASTM Standarts (volume 03.01).
-:
ASTM, USA.
Gaya MLA
Engineers, Tim, Institute, Of, Electrical, And, Electronics.
"1991 Annual book of ASTM Standarts".
volume 03.01
-:
ASTM, USA,
1991.
Text.