Gaya APA
Insel, P, M., Lindgren, H, C.
(1978).
Too close for comfort
.
Englewood Cliffs, NJ.:
Prentice Hall.
Gaya MLA
Insel, Paul, M.., Lindgren, Henry, Clay.
"Too close for comfort".
Englewood Cliffs, NJ.:
Prentice Hall,
1978.
Text.