Chew, P. Y., Chong, Y. Y., Lim, Y., & Lee, P. M. (2008). Positive and negative impact of word-of-mouth in the travel agency industry in Singapore.
استشهاد بنمط شيكاغوChew, Pei Yin., Yae Yu Chong, Yanzhen Lim, و Pui Mun Lee. Positive and Negative Impact of Word-of-mouth in the Travel Agency Industry in Singapore. 2008.
MLA استشهادChew, Pei Yin., Yae Yu Chong, Yanzhen Lim, و Pui Mun Lee. Positive and Negative Impact of Word-of-mouth in the Travel Agency Industry in Singapore. 2008.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.