APA-čujuhus (7. p.)

Hamp, E. P., Gutiérrez, A. L., & Rankin, E. (1979). Composition plus level F. Harper and Row.

Chicago-čujuhus (17. p.)

Hamp, Eric P., Arturo Luis Gutiérrez, juo Earl Rankin. Composition Plus Level F. Harper and Row, 1979.

MLA-čujuhus (9. p.)

Hamp, Eric P., et al. Composition Plus Level F. Harper and Row, 1979.

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