Gaya APA
Thornley,G.C. (1981).
Elementary Scientific English Practice .
:
Huntsmen Offset.
Gaya Chicago
Thornley,G.C.
Elementary Scientific English Practice.
:
Huntsmen Offset,
1981.
Text.
Gaya MLA
Thornley,G.C.
Elementary Scientific English Practice.
:
Huntsmen Offset,
1981.
Text.
Gaya Turabian
Thornley,G.C.
Elementary Scientific English Practice.
:
Huntsmen Offset,
1981.
Print.