Gaya APA
Spectrum : Science Test Practice Grade 3. ().
Singapura:
Spectrum.
Gaya Chicago
Spectrum : Science Test Practice Grade 3.
.
Singapura:
Spectrum,
.
Text.
Gaya MLA
Spectrum : Science Test Practice Grade 3.
.
Singapura:
Spectrum,
.
Text.
Gaya Turabian
Spectrum : Science Test Practice Grade 3.
Singapura:
Spectrum,
.
Print.