Gaya APA
Critchlow, P.. (1982).
Mastering chemistry .
London:
Macmillan Pers.
Gaya Chicago
Critchlow, P..
Mastering chemistry.
London:
Macmillan Pers,
1982.
Text.
Gaya MLA
Critchlow, P..
Mastering chemistry.
London:
Macmillan Pers,
1982.
Text.
Gaya Turabian
Critchlow, P..
Mastering chemistry.
London:
Macmillan Pers,
1982.
Print.