Cita APA (7th ed.)

Layde, D. C. (1968). Introduction to qualitative analysis (2nd ed.). Allyn and Bacon, Inc.

Cita Chicago (17th ed.)

Layde, Durward C. Introduction to Qualitative Analysis. 2nd ed. Boston: Allyn and Bacon, Inc, 1968.

Cita MLA (9th ed.)

Layde, Durward C. Introduction to Qualitative Analysis. 2nd ed. Allyn and Bacon, Inc, 1968.