Gaya APA
Hastjarjo, T, D. (2010).
Proceeding, Experimental Psychology, The Old Tradition Continues (Januari).
Yogyakarta:
Fak Psikologi UGM.
Gaya MLA
Hastjarjo, Thomas, Dicky.
"Proceeding, Experimental Psychology, The Old Tradition Continues".
Januari
Yogyakarta:
Fak Psikologi UGM,
2010.
Jurnal PSI.