Gaya APA

ASTM., . (1978). 1978 annual book of ASTM standard part 24. Petroleum Products and lubricants (II) D 1661 D 2896. (1978). : Philadelphia : ASTM.,.

Gaya MLA

ASTM., . "1978 annual book of ASTM standard part 24. Petroleum Products and lubricants (II) D 1661 D 2896.". 1978 : Philadelphia : ASTM.,, 1978. Text.