Gaya APA
Bond, T., Hughes, C. (1994).
Mathematics A-Level Challenging Drill Solutions for H1-H2 .
London-Inggris:
Cosmic Services.
Gaya MLA
Bond, Thomas., Hughes, Chris.
"Mathematics A-Level Challenging Drill Solutions for H1-H2".
London-Inggris:
Cosmic Services,
1994.
Text.