Cita APA

Ruggles Alt, R. (1973). Steps to composition: A pre-composition workbook for students of english as a second language. US: Georgetown Universitary, Washington.

Citación estilo Chicago

Ruggles Alt, Ruth. Steps to Composition: A Pre-composition Workbook for Students of English As a Second Language. US: Georgetown Universitary, Washington, 1973.

Cita MLA

Ruggles Alt, Ruth. Steps to Composition: A Pre-composition Workbook for Students of English As a Second Language. US: Georgetown Universitary, Washington, 1973.