Gaya APA
Ramsden, E.N. (2000).
A Level Chemistry-Fourth Edition .
UK:
Nelson Thornes.
Gaya Chicago
Ramsden, E.N.
A Level Chemistry-Fourth Edition.
UK:
Nelson Thornes,
2000.
BUKU PENGAYAAN.
Gaya MLA
Ramsden, E.N.
A Level Chemistry-Fourth Edition.
UK:
Nelson Thornes,
2000.
BUKU PENGAYAAN.
Gaya Turabian
Ramsden, E.N.
A Level Chemistry-Fourth Edition.
UK:
Nelson Thornes,
2000.
BUKU PENGAYAAN.