Gaya APA
Collins Student Support Materials for AQA (B) A2 Biology Spesification. (2001).
London:
Harpercollins.
Gaya Chicago
Collins Student Support Materials for AQA (B) A2 Biology Spesification.
.
London:
Harpercollins,
2001.
Buku.
Gaya MLA
Collins Student Support Materials for AQA (B) A2 Biology Spesification.
.
London:
Harpercollins,
2001.
Buku.
Gaya Turabian
Collins Student Support Materials for AQA (B) A2 Biology Spesification.
London:
Harpercollins,
2001.
Buku.