Gaya APA
Albrect, K. (1987).
Brian Power: Learn to Improve Your Thinking Skills (1).
New York:
A Firseside Book Pulished.
Gaya MLA
Albrect, Karl.
"Brian Power: Learn to Improve Your Thinking Skills".
1
New York:
A Firseside Book Pulished,
1987.
Text.