Cita APA (7th ed.)

Couchman, J. S., & Allen, C. (1999). Oracle certified professional application developer exam guide. Osborne/McGraw-Hill.

Cita Chicago (17th ed.)

Couchman, Jason S., i Christopher Allen. Oracle Certified Professional Application Developer Exam Guide. Berkeley: Osborne/McGraw-Hill, 1999.

Cita MLA (9th ed.)

Couchman, Jason S., i Christopher Allen. Oracle Certified Professional Application Developer Exam Guide. Osborne/McGraw-Hill, 1999.