APA način citiranja (7. izdanje)

Heller, H. R. (1968). International trade theory and empirical evidence. Prentic- Hall.

Čikaški stil citiranja (17. izdanje)

Heller, H. Robert. International Trade Theory and Empirical Evidence. NewJersey: Prentic- Hall, 1968.

MLA način citiranja (9. izdanje)

Heller, H. Robert. International Trade Theory and Empirical Evidence. Prentic- Hall, 1968.