Gaya APA
Books, T, L., Wertenbaker, L. (1967).
The World of Picasso 1881-1973 .
Nederland:
Time-Life Internasional Nederland.
Gaya MLA
Books, Time, Life., Wertenbaker, Lael.
"The World of Picasso 1881-1973".
Nederland:
Time-Life Internasional Nederland,
1967.
Text.