Cita APA (7th ed.)

Laing, J. E., & Phillips, J. E. Survey findings on family planning program effects in the Philippines, 1968- 1973. [publisher not identified].

Cita Chicago (17th ed.)

Laing, John E., i James E. Phillips. Survey Findings on Family Planning Program Effects in the Philippines, 1968- 1973. [place of publication not identified]: [publisher not identified].

Cita MLA (9th ed.)

Laing, John E., i James E. Phillips. Survey Findings on Family Planning Program Effects in the Philippines, 1968- 1973. [publisher not identified].