Gaya APA
Leukel, F.
(1970).
Introduction to Physiological psychology / Francis Leukel
.
Tokiyo:
Mosby compony.
Gaya MLA
Leukel, Francis.
"Introduction to Physiological psychology / Francis Leukel".
Tokiyo:
Mosby compony,
1970.
Buku Umum.