Dyfyniad APA

Eckersley-Johnson, A. L. (1983). Webster's secretarial handbook HF5547.5 .W ("Anna L. Eckersley-Johnson, editor, first edition.".). Merriam-Webster.

Dyfyniad Arddull Chicago

Eckersley-Johnson, Anna L. Webster's Secretarial Handbook HF5547.5 .W. "Anna L. Eckersley-Johnson, editor, first edition.". Springfield, Mass: Merriam-Webster, 1983.

Dyfyniad MLA

Eckersley-Johnson, Anna L. Webster's Secretarial Handbook HF5547.5 .W. "Anna L. Eckersley-Johnson, editor, first edition.". Merriam-Webster, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.