Gaya APA
Pike, D.C.. (1979).
Variability in grading results caused by standard sample-reduction techniques .
:
TRRL.
Gaya Chicago
Pike, D.C..
Variability in grading results caused by standard sample-reduction techniques.
:
TRRL,
1979.
Chart.
Gaya MLA
Pike, D.C..
Variability in grading results caused by standard sample-reduction techniques.
:
TRRL,
1979.
Chart.
Gaya Turabian
Pike, D.C..
Variability in grading results caused by standard sample-reduction techniques.
:
TRRL,
1979.
Chart.