Cita APA (7th ed.)

KNIGHTLEY P. (1980). PHILBY - THE SPY WHO BETRAYED A GENERATION. SPHERE BOOKS LTD.

Cita Chicago (17th ed.)

KNIGHTLEY P. PHILBY - THE SPY WHO BETRAYED A GENERATION. LONDON: SPHERE BOOKS LTD, 1980.

Cita MLA (9th ed.)

KNIGHTLEY P. PHILBY - THE SPY WHO BETRAYED A GENERATION. SPHERE BOOKS LTD, 1980.