Gaya APA
Sendov, B., Stanchev, I. (1986).
Children in an information age: tomorrow's problems today .
Oxford:
Pergamon Press.
Gaya MLA
Sendov, Blagovest., Stanchev, Ivan.
"Children in an information age: tomorrow's problems today".
Oxford:
Pergamon Press,
1986.
Textbook.