Blocker, H. G. (1974). The meaning of meaninglessness. Martinus Nijhoff.
Cita Chicago (17th ed.)Blocker, H. Gene. The Meaning of Meaninglessness. The Hague: Martinus Nijhoff, 1974.
Cita MLA (9th ed.)Blocker, H. Gene. The Meaning of Meaninglessness. Martinus Nijhoff, 1974.
Atenció: Aquestes cites poden no estar 100% correctes.