Gaya APA
Thornley, G.C.. (1972).
Easier Scientific English Practice .
England:
Longman Group Limited.
Gaya Chicago
Thornley, G.C..
Easier Scientific English Practice.
England:
Longman Group Limited,
1972.
Text.
Gaya MLA
Thornley, G.C..
Easier Scientific English Practice.
England:
Longman Group Limited,
1972.
Text.
Gaya Turabian
Thornley, G.C..
Easier Scientific English Practice.
England:
Longman Group Limited,
1972.
Print.