Cita APA (7a ed.)
Colfer, C. (1994). Time allocation studies: A methodological studies.
Cita Chicago Style (17a ed.)
Colfer, C.J.P. Time Allocation Studies: A Methodological Studies. 1994.
Cita MLA (9a ed.)
Colfer, C.J.P. Time Allocation Studies: A Methodological Studies. 1994.
Precaución: Estas citas no son 100% exactas.