Publication manual of the American Psychological Association.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Washington, D.C.
American Psychological Association
c2010.
|
| Rhifyn: | Sixth edition. |
| Pynciau: |


