Cita APA (7th ed.)
(1998). NETWORK DIRECTORY. FIFTH EDITION. ANNUAIRE DU RESEAU. CINQUIEME EDITION. NATIONAL PUBLIC HEALTH INSTITUTE (KTL) ENYPAT.
Cita Chicago (17th ed.)
NETWORK DIRECTORY. FIFTH EDITION. ANNUAIRE DU RESEAU. CINQUIEME EDITION. HELSINKI: NATIONAL PUBLIC HEALTH INSTITUTE (KTL) ENYPAT, 1998.
Cita MLA (9th ed.)
NETWORK DIRECTORY. FIFTH EDITION. ANNUAIRE DU RESEAU. CINQUIEME EDITION. NATIONAL PUBLIC HEALTH INSTITUTE (KTL) ENYPAT, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.