Dyfyniad APA

Hjelmström, S., & Whyte, H. (1968). Say what you mean: Book one (1a. ed.). Longmans.

Dyfyniad Arddull Chicago

Hjelmström, Svante, and Henry Whyte. Say What You Mean: Book One. 1a. ed. Londres: Longmans, 1968.

Dyfyniad MLA

Hjelmström, Svante, and Henry Whyte. Say What You Mean: Book One. 1a. ed. Longmans, 1968.

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