WERNSTEDT, F. L; SPENCER, J. E. 1978. The Philippine Island World: A Physical, Cultural and Regional Geography. 1. vydanie. Berkeley: University of California Press.
APA (7th ed.) CitationWernstedt, F. L., & Spencer, J. E. (1978). The Philippine Island World: A Physical, Cultural and Regional Geography (1. vydanie.). University of California Press.
Chicago Style (17th ed.) CitationWernstedt, Frederic L., and J. E. Spencer. The Philippine Island World: A Physical, Cultural and Regional Geography. 1. vydanie. Berkeley: University of California Press, 1978.
MLA (9th ed.) CitationWernstedt, Frederic L., and J. E. Spencer. The Philippine Island World: A Physical, Cultural and Regional Geography. 1. vydanie. University of California Press, 1978.
