Cita APA (7th ed.)

ALKA PUB. (1999). KNOW YOUR ABC.

Cita Chicago (17th ed.)

ALKA PUB. KNOW YOUR ABC. 1999.

Cita MLA (9th ed.)

ALKA PUB. KNOW YOUR ABC. 1999.

Atenció: Aquestes cites poden no estar 100% correctes.