Cita APA (7th ed.)

Lovejoy, D. (1991). Penetrant testing: A practical guide. Chapman & Hall.

Cita Chicago (17th ed.)

Lovejoy, David. Penetrant Testing: A Practical Guide. London: Chapman & Hall, 1991.

Cita MLA (9th ed.)

Lovejoy, David. Penetrant Testing: A Practical Guide. Chapman & Hall, 1991.