Gaya APA
Piirto, Rebecca. (1991).
Beyond The Marketing Power Mind of Psychographics Games .
USA:
America Demographics books.
Gaya Chicago
Piirto, Rebecca.
Beyond The Marketing Power Mind of Psychographics Games.
USA:
America Demographics books,
1991.
Text.
Gaya MLA
Piirto, Rebecca.
Beyond The Marketing Power Mind of Psychographics Games.
USA:
America Demographics books,
1991.
Text.
Gaya Turabian
Piirto, Rebecca.
Beyond The Marketing Power Mind of Psychographics Games.
USA:
America Demographics books,
1991.
Print.