Cita APA (7th ed.)

Yourdon, E., & Yourdon, J. (1998). Time bomb 2000!: What the year 2000 computer crisis means to you! Prentice Hall PTR.

Cita Chicago (17th ed.)

Yourdon, Edward, i Jennifer Yourdon. Time Bomb 2000!: What the Year 2000 Computer Crisis Means to You! Upper Saddle River, N.J: Prentice Hall PTR, 1998.

Cita MLA (9th ed.)

Yourdon, Edward, i Jennifer Yourdon. Time Bomb 2000!: What the Year 2000 Computer Crisis Means to You! Prentice Hall PTR, 1998.