Levensverandering

MLA

Walter, Howard Arnold, and E Wolvekamp. Levensverandering. 2de dr. Amsterdam: Ten Have, 1963.

APA

Walter, H. Arnold, & Wolvekamp, E. (1963). Levensverandering. 2de dr. Amsterdam: Ten Have.

Chicago

Walter, Howard Arnold, and E Wolvekamp. Levensverandering. 2de dr. Amsterdam: Ten Have, 1963.