Gaya APA
PFEIFFER, J, W., BALLEW, A, C. (1988).
Using structured experiences: (cet. 1).
San Diego:
University Associetas.
Gaya MLA
PFEIFFER, J., William., BALLEW, Arlette, C..
"Using structured experiences:".
cet. 1
San Diego:
University Associetas,
1988.
Buku.