Cita APA (7th ed.)

Yrjola, J., & Tella, J. (2001). An explosive chess opening repertoire for black. Gambit.

Cita Chicago (17th ed.)

Yrjola, Jouni, i Jussi Tella. An Explosive Chess Opening Repertoire for Black. UK: Gambit, 2001.

Cita MLA (9th ed.)

Yrjola, Jouni, i Jussi Tella. An Explosive Chess Opening Repertoire for Black. Gambit, 2001.